Free Downloads: Statetransition Diagram Editor
License: All | Free
UML .FRI is visual Diagram Editor. It's aimed towards Diagram types commonly used by people involved in IT.
Main Features:
Currently, it's possible to create and edit:
- UML class Diagram
- UML object Diagram
- UML activity Diagram
- UML use case Diagram
...
Category: Multimedia & Design / Digital Media Editors
Publisher: Faculty of Management Science and Informatics, University of Zilina, License: Freeware, Price: USD $0.00, File Size: 1.1 MB
Platform: Windows
Diagram Ring is an award-winning advanced diagram editor.
Diagram Ring is an award-winning advanced Diagram Editor. It supports lots of Diagram types like Flowcharts, Class Diagrams, DFDs, ERDs, Pie charts, Bar charts and etc.
It has more than 45 predefined symbols and more than 15 predefined styles which really help you design faster.
With it's unique method of connecting nodes it makes drawing diagrams...
Category: Multimedia & Design / Multimedia App's
Publisher: Farshad Barahimi, License: Freeware, Price: USD $0.00, File Size: 372.1 KB
Platform: Windows
The UML stencil for Microsoft Visio supports complete UML, i.
The UML stencil for Microsoft Visio supports complete UML, i.e. UML use case Diagram, class Diagram, package Diagram, object Diagram, composite structure Diagram, interaction Diagram, sequence Diagram, communication Diagram, interaction overview Diagram, activity Diagram, state machine Diagram, component...
Category: Business & Finance / MS Office Addons
Publisher: Pavel Hruby, License: Freeware, Price: USD $0.00, File Size: 513.7 KB
Platform: Windows
Gridraw is a new feeling UML drawing tool based on the cell system. Gridraw uses to draw UML diagrams by incorporating features of spreadsheets, drawing tools, and a text Editor. Diagrams are editable in a similar way to spreadsheet programs. No more difficulties trying to select a particular Diagram in a set of overlapping diagrams. The cursor moves on a cell by cell basis...
Category: Software Development
Publisher: Gridraw Inc., License: Freeware, Price: USD $0.00, File Size: 7.2 MB
Platform: Linux, Windows
Software Ideas Modeler is a lightweight and powerful tool for the creation of UML diagrams and some other diagrams. It supports all 14 types of UML diagrams, Mixed Diagram, Data Flow Diagram, Flowchart Diagram, Robustness Diagram, Entity Relationship Diagram, Requirement Diagram, User Interface modeling and CRC Card Diagram.
Category: Software Development / Misc. Programming
Publisher: Dusan Rodina, License: Freeware, Price: USD $0.00, File Size: 1.7 MB
Platform: Windows, Linux
The GoVisual Diagram Editor (GDE) provides powerful functionality for editing and automatic layout of diagrams. Diagrams are represented in form of graphs and cluster graphs. GDE contains all the layout styles available in the GoVisual libraries. he screenshot shows GDE's main window with several open document windows. The active document windows shows a cluster graph with...
Category: Business & Finance / MS Office Addons
Publisher: OREAS GmbH, License: Freeware, Price: USD $0.00, File Size: 3.0 MB
Platform: Windows
A Circuit Diagram Maker - Circuit Diagram enables you to make electronic circuit diagrams and allows them to be exported as images. Ideal for use in coursework, you no longer have to use image editing programs to paste components together.Its a very good program.
Category: Multimedia & Design / Multimedia App's
Publisher: Circuit Diagram, License: Freeware, Price: USD $0.00, File Size: 343.0 KB
Platform: Windows
Simple-to-use tool with minimalistic interface takes your PL/SQL code and converts it to an interactive UML Activity Diagram allowing you to control Diagram granularity and fast double-click based navigation between Diagram and original code. This gives you not only high perspective view, but also a most efficient way to undersand your code and imact of code changes....
Category: Software Development
Publisher: Crealoq s.r.o., License: Freeware, Price: USD $0.00, File Size: 2.3 MB
Platform: Windows
Blueprint Software Modeler FREE Community Edition A free and powerful UML software modeling tool implemented according to the latest UML2.1 standard; integrated with and built on top of the Eclipse3.2 IDE. The Community Edition supports the most important diagrams: - Class Diagram - Package Diagram - Component Diagram - Composite Structure Diagram - Object...
Category: Software Development
Publisher: @-portunity B.V., License: Freeware, Price: USD $0.00, File Size: 98.6 MB
Platform: Windows
The simplest way to copy chess diagrams from one program or web page to another quickly and easily. Copying chess diagrams with a classic position-Editor is hard work : you must have both your position-Editor and your document/web page application open, and must constantly go back and forth between the two. It becomes a tennis match of sorts: Looking at the Diagram you...
Category: Games / Tools & Editors
Publisher: Alain Blaisot, License: Freeware, Price: USD $0.00, File Size: 2.7 MB
Platform: Windows
The D&C Scheme Editor is a desktop application for the creation of pneumatic circuit diagrams in compliance with standards. Based on a pneumatic symbol library the creation of complex diagrams is easy to perform.
Part lists can be generated by assigning material and item numbers to the Diagram components.
Category: Utilities / Misc. Utilities
Publisher: Bosch Rexroth AG, License: Freeware, Price: USD $0.00, File Size: 33.3 MB
Platform: Windows
The standard AFS diagram represents a “bird’s eye view” of the dwelling.
The standard AFS Diagram represents a “bird’s eye view” of the dwelling. Each Diagram is a “top down” representation of the dwelling showing the perimeter, all attached features and the different areas of living space.
For clarity, the different “areas” of the dwelling - the attached features, different story heights and/or...
Category: Business & Finance / Business Finance
Publisher: Advanced Field Services, License: Freeware, Price: USD $0.00, File Size: 11.5 KB
Platform: Windows
The OpenWire Editor is a powerful graphical editing Microsoft Visual Studio 2010/2012 .NET PlugIn. The Editor provides an intuitive easy way to design and build OpenWire applications in .NET simply by connecting .NET components and making wiring dataflow diagrams. In the OpenWire Editor, the "wires" are like those connecting a TV to a VCR, or speakers to a surround...
Category: Software Development / Components: VB
Publisher: Mitov Software, License: Freeware, Price: USD $0.00, File Size: 7.9 MB
Platform: Windows
GOWrite is a full featured SGF viewer, Editor and publishing tool for game of Go known in japanese go(l›?c??), Chinese weichi(l›?cL‹), or Korean baduk(e°”e‘‘).
GOWrite is a free SGF go Diagram Editor that is used by professional Go authors to create diagrams for go books and magazine articles. GOWrite is also the recommended program for playing Mail-Go to play a move...
Category: Multimedia & Design / Digital Media Editors
Publisher: Lauri Paatero, License: Freeware, Price: USD $0.00, File Size: 6.9 MB
Platform: Windows
The OpenWire Editor is a powerful graphical editing Delphi and C++ Builder PlugIn. The Editor provides an intuitive easy way to design and build OpenWire applications in VCL and FireMonkey(FMX) simply by connecting VCL or FireMonkey components and making wiring dataflow diagrams. In the OpenWire Editor, the "wires" are like those connecting a TV to a VCR, or speakers to a...
Category: Software Development / Components: Delphi
Publisher: Mitov Software, License: Freeware, Price: USD $0.00, File Size: 4.2 MB
Platform: Windows
Visual Paradigm for UML is a professional UML tool that supports complete software lifecycle - object-oriented analysis, object-oriented design, construction, testing and deployment. The UML modeling software helps you build quality applications faster, better and at lower cost. You can draw all types of class diagrams, reverse code, generate code from diagrams and generate documentation. The...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 121.4 MB
Platform: Windows
Visual Paradigm for UML is a professional UML tool that supports complete software lifecycle - object-oriented analysis, object-oriented design, construction, testing and deployment. The UML modeling software helps you build quality applications faster, better and at lower cost. You can draw all types of class diagrams, reverse code, generate code from diagrams and generate documentation. The...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 116.1 MB
Platform: Linux, Unix
Visual Paradigm for UML is a professional UML tool that supports complete software lifecycle - object-oriented analysis, object-oriented design, construction, testing and deployment. The UML modeling software helps you build quality applications faster, better and at lower cost. You can draw all types of class diagrams, reverse code, generate code from diagrams and generate documentation. The...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 121.4 MB
Platform: Windows
Visual Paradigm for UML is a professional UML tool that supports complete software lifecycle - object-oriented analysis, object-oriented design, construction, testing and deployment. The UML modeling software helps you build quality applications faster, better and at lower cost. You can draw all types of class diagrams, reverse code, generate code from diagrams and generate documentation. The...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 102.2 MB
Platform: Mac
Visual Paradigm for UML is a professional UML tool that supports complete software lifecycle - object-oriented analysis, object-oriented design, construction, testing and deployment. The UML modeling software helps you build quality applications faster, better and at lower cost. You can draw all types of class diagrams, reverse code, generate code from diagrams and generate documentation. The...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 120.8 MB
Platform: Windows
The Exerciser Revision Tool is a stand-alone java application that helps students practice their skills at drawing entity-relation diagrams (ERDs) to model data. The tool contains a number of questions each containing a scenario from which the user is asked to draw an equivalent ERD.
Having drawn the ERD, the student can ask the tool to mark (grade) their Diagram. The tool...
Category: Home & Education / Miscellaneous
Publisher: Open University, License: Freeware, Price: USD $0.00, File Size: 554.8 KB
Platform: Windows
Visual Paradigm SDE for JDeveloper is a UML CASE tool/plug-in tightly integrated with JDeveloper.
Visual Paradigm SDE for JDeveloper is a UML CASE tool/plug-in tightly integrated with JDeveloper. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in JDeveloper, reverse engineer Java code to class...
Category: Software Development / Tools & Editors
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 119.0 MB
Platform: Windows
Visual Paradigm SDE for JDeveloper is a UML CASE tool/plug-in tightly integrated with JDeveloper.
Visual Paradigm SDE for JDeveloper is a UML CASE tool/plug-in tightly integrated with JDeveloper. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in JDeveloper, reverse engineer Java code to class...
Category: Software Development / Tools & Editors
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 100.3 MB
Platform: Mac, Linux
Visual Paradigm SDE for JDeveloper is a UML CASE tool/plug-in tightly integrated with JDeveloper.
Visual Paradigm SDE for JDeveloper is a UML CASE tool/plug-in tightly integrated with JDeveloper. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in JDeveloper, reverse engineer Java code to class...
Category: Software Development / Tools & Editors
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 114.2 MB
Platform: Linux, Unix
<XML: Pad/> is a tiny yet very powerful XML Editor based on the XML parse engine, which is has been developed by WMHelp.com. It’s the basic version of WMHelp.com, which can be run without a license. <XML: Pad/> is very easy to use as the toolbar and menus that are displayed at the top of the window can be handled very easily. Just pressing a button can hide them.
...
Category: Web Authoring / XML/CSS Utilities
Publisher: WMHelp Software, License: Freeware, Price: USD $0.00, File Size: 10.1 MB
Platform: Windows
SDE for NetBeans is a UML CASE tool/plug-in tightly integrated with NetBeans. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in NetBeans, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 120.8 MB
Platform: Windows
SDE for NetBeans is a UML CASE tool/plug-in tightly integrated with NetBeans. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in NetBeans, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 116.1 MB
Platform: Linux, Unix
SDE for NetBeans is a UML CASE tool/plug-in tightly integrated with NetBeans. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in NetBeans, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 102.2 MB
Platform: Mac
SDE for Sun ONE is a UML CASE tool/plug-in tightly integrated with Sun ONE. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Sun ONE, reverse engineer Java code to class diagrams, generate Java code...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 120.8 MB
Platform: Windows
SDE for Sun ONE is a UML CASE tool/plug-in tightly integrated with Sun ONE. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Sun ONE, reverse engineer Java code to class diagrams, generate Java code...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 116.1 MB
Platform: Linux, Unix
SDE for Sun ONE is a UML CASE tool/plug-in tightly integrated with Sun ONE. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Sun ONE, reverse engineer Java code to class diagrams, generate Java code...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 102.2 MB
Platform: Mac
SDE for Eclipse is a UML CASE tool/plug-in tightly integrated with Eclipse. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Eclipse, reverse engineer Java code to class diagrams, generate Java code...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 120.8 MB
Platform: Windows
SDE for Eclipse is a UML CASE tool/plug-in tightly integrated with Eclipse. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Eclipse, reverse engineer Java code to class diagrams, generate Java code...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 116.1 MB
Platform: Linux, Unix
SDE for Eclipse is a UML CASE tool/plug-in tightly integrated with Eclipse. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Eclipse, reverse engineer Java code to class diagrams, generate Java code...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 102.2 MB
Platform: Mac
SDE for Visual Studio is a UML CASE tool/plug-in tightly integrated with Visual Studio. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Visual Studio, reverse engineer C# code to class diagrams,...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 121.4 MB
Platform: Windows
SDE for JBuilder is a UML CASE tool/plug-in tightly integrated with JBuilder. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in JBuilder, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 102.2 MB
Platform: Mac
SDE for JBuilder is a UML CASE tool/plug-in tightly integrated with JBuilder. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in JBuilder, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 116.1 MB
Platform: Linux, Unix
SDE for JBuilder is a UML CASE tool/plug-in tightly integrated with JBuilder. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in JBuilder, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 120.8 MB
Platform: Windows
SDE for WebSphere is a UML CASE tool/plug-in tightly integrated with WebSphere. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in WebSphere, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 102.2 MB
Platform: Mac
SDE for WebSphere is a UML CASE tool/plug-in tightly integrated with WebSphere. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in WebSphere, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 120.8 MB
Platform: Windows
SDE for WebSphere is a UML CASE tool/plug-in tightly integrated with WebSphere. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in WebSphere, reverse engineer Java code to class diagrams, generate Java...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 116.1 MB
Platform: Linux, Unix
SDE for IntelliJ IDEA is a UML CASE tool/plug-in tightly integrated with IntelliJ IDEA. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in IntelliJ IDEA, reverse engineer Java code to class diagrams,...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 102.2 MB
Platform: Mac
SDE for IntelliJ IDEA is a UML CASE tool/plug-in tightly integrated with IntelliJ IDEA. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in IntelliJ IDEA, reverse engineer Java code to class diagrams,...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 116.1 MB
Platform: Linux, Unix
SDE for IntelliJ IDEA is a UML CASE tool/plug-in tightly integrated with IntelliJ IDEA. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in IntelliJ IDEA, reverse engineer Java code to class diagrams,...
Category: Software Development
Publisher: Visual Paradigm International Ltd., License: Freeware, Price: USD $0.00, File Size: 120.8 MB
Platform: Windows
Visual Paradigm SDE for Visual Studio .
Visual Paradigm SDE for Visual Studio .NET is a UML CASE tool/plug-in tightly integrated with Visual Studio .NET. This UML CASE tool supports full software development lifecycle - analysis, design, implementation, testing and deployment. This UML tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Visual Studio .NET, generate C# code,...
Category: Software Development / Misc. Programming
Publisher: Visual Paradigm, License: Freeware, Price: USD $0.00, File Size: 68.4 MB
Platform: Windows
PC to PC Communication via RS232 port.
PC to PC Communication via RS232 port. Chat with only 3-wire connection.
This program is tested with Turbo C Editor . How ever, authors are not responsible for any damages that may happen to your computer. Please contact them if any problem exits. Connection Diagram is available in the article which you can go through the website.
Category: Internet / Chat
Publisher: Shreeharsha Perla & Veena Pai, License: Freeware, Price: USD $0.00, File Size: 31.0 KB
Platform: Windows
Create flowcharts easily with this free Windows software. Whether you're mapping out ideas, laying out the structure of your organization or creating UML diagrams, ClickCharts is the perfect user-friendly program to get you going. Simplify complex processes, troubleshoot bottlenecks and find areas for improvement. Organize your ideas visually and make even the most complicated process easier to...
Category: Business & Finance / Business Finance
Publisher: NCH Software, License: Freeware, Price: USD $0.00, File Size: 1.7 MB
Platform: Windows
Visual Paradigm SDE for JBuilder is a UML CASE tool/plug-in tightly integrated with JBuilder.
Visual Paradigm SDE for JBuilder is a UML CASE tool/plug-in tightly integrated with JBuilder. This UML CASE tool supports full software development lifecycle - analysis, design, implementation, testing and deployment. This UML tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in JBuilder, generate Java code, reverse engineer Java code...
Category: Home & Education / Teaching Tools
Publisher: Visual Paradigm, License: Freeware, Price: USD $0.00, File Size: 68.4 MB
Platform: Windows, Linux
Visual Paradigm SDE for Eclipse is a UML CASE tool/plug-in tightly integrated with Eclipse.
Visual Paradigm SDE for Eclipse is a UML CASE tool/plug-in tightly integrated with Eclipse. This UML CASE tool supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Eclipse, reverse engineer Java code to class diagrams, generate Java...
Category: Home & Education / Teaching Tools
Publisher: Visual Paradigm, License: Freeware, Price: USD $0.00, File Size: 68.4 MB
Platform: Linux
This is a professional application designed to be a small CPU monitoring tool that shows its activity as a Diagram in the system tray. This free software tool can display up to eight icons (so that you can see a longer period). Each monitor can display its activity as a text or as a Diagram. Ultra CPU Monitor works on Windows operating systems.
Category: Utilities / Misc. Utilities
Publisher: David Darmon, License: Freeware, Price: USD $0.00, File Size: 272.1 KB
Platform: Windows