Most of us already know that Windows 7 is the most suitable and reliable OS released by Microsoft so far; but the confusion occurs when they finally decide to use this on their own. Still now there are three version which Microsoft selling in the market as Windows 7 Home Premium, Windows 7 Professional and Windows 7 Ultimate; now the question is what is the difference in between. So let me tell you the major difference and enhancement below:

Windows 7 Home Premium
Sold as basic version in USA, UK and in several countries.

* Full Windows Aero
* Home Group (create and join)
* Multi-Touch
* Premium Games
* Media Center

Windows 7 Professional
For business use.

All features of Windows 7 Home Premium +
* Windows Server Domain
* Remote Desktop Server
* Location aware printing
* Encryption
* Presentation

Windows 7 Ultimate (sold as Enterprise to large companies)
For enthusiasts and high-end PC’s.

All features of Windows 7 Professional +
* AppLocker
* BitLocker Drive Encryption
* BranchCache Distributed Cache
* DirectAccess
* Multilingual User Interface Pack
* Virtual Hard Disk Booting

Now from the above comparison any one can easily distinguish the major difference between the most talked operating system.