Windows4all is a Microsoft Silverlight based online virtual operating system. It is a website that emulates an operating system inside a web browser.Windows4all.com replicates the desktop environment of a modern operating system. The user can launch applications right away without installation
Besides desktop, taskbar, start menu and sidebar, currently it includes such applications:
- File Explorer
- Internet Explorer
- Video Player
- Rich text editor
- RSS reader
- Chat
- Notepad
- Paint
- Calculator
- Games like Chess, Solitaire, Spider etc.
Have a look at Windows4All
Tip: While using it press F11 and your browser goes in full screen mode and you will get the feel like you are running an actual OS.