Windows4All – An Online Virtual Operating System


Windows4All is a Microsoft Silverlight (web) based online virtual operating system that emulates the feel and appearance of Windows Vista. No installation or account sign-up is required; and applications can be launched right away by simply going to . If the application does not load, then you do not have Microsoft Silverlight installed.

What is Silverlight?

Silverlight is a cross-browser, cross-platform and cross-device browser plug-in that helps companies design, develop and deliver applications and experiences on the Web.

The desktop to Windows4all interface emulates the Windows Vista desktop with a taskbar, Start Menu, and Sidebar.  Also  included at this point of development is:

File Explorer
Internet Explorer
Video Player
Rich Text Editor
RSS Reader
Games (Chess, Spider, Solitaire, Tic-Tac-Toe)

image advantages:

  • Convenience and freedom – A personalized desktop is available and accessible from any computer in the world.
  • No more administration – No more software installation, software update, worry about anti-virus.
  • Security –  Less prone to typical attacks, viruses, worms, vulnerabilities, spyware and disk crashes.
  • Hardware – Performance doesn’t depend much on the speed of your computer.
  • Entertainment – Being online, offers more opportunities for communicating and entertainment.
  • Cost – It is free.

Windows4All is currently in the early stage of development; however, the current stage of development will give you an idea what a familiar online operating system (Vista) looks like inside your web browser.

Recently Windows4All was updated to include a Virtual PC application. It is now possible to run other webOS like, Startforce, Cloudo, and Lucid-Desktop inside


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