Windows4all.com is a free silverlight based online virtual operating system [ or we can say Web OS or a Web top or a cloud computer] . It is is a website that simulates an operating system in your web browser. It replicates the desktop environment of a modern operating system, you can launch applications right away without installation.

It is another web based and requires silverlight 3 to operate, this web based OS runs in Silverlight’s security sandbox.

It includes the following applications:

• File Explorer
• Internet Explorer
• Video Player
• Rich text editor
• RSS reader
• Virtual PC
• Notepad
• Paint
• Twitter client
• Flickr viewer
• Chat
• Calculator
• Games like Chess, Solitaire, Spider etc.

Following are some screen shots of the OS

[ click the screen shots above in full size ]

Some Advantage Windows4all.com Web OS

• 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, windows4all.com offers more opportunities for communicating and entertainment.
• Cost – It is free.

You can see the live preview of this web OS at http://www.windows4all.com but make sure you have silverlight 3 installed on your computer.

Download Windows4all