which is better windows 7 home premium or windows 7 professional or windows 7 ultimate?

Ultimate is the best, has all of the features and functions while Professional has a few limitations and Home Premium has more limitations.

Here's the comparison chart to help you better understand.

http://windows.microsoft.com/en-us/windows7/produc...

Windows 7 Premium Vs Professional

Windows 7 Home Premium Or Professional

Windows 7 Ultimate is the most complete (and most expensive) version, followed by Professional, then Home Premium.

For most home users, the Home Premium version includes everything that you would need. The other versions just include some advanced features that for the most part only corporate users need.

Windows 7 Ultimate can also: Run many WinXP productivity applications in WinXP Mode Connect to company networks more easily with Domain Join Recover Data easily with automatic backup to your home/business network Help protect data on your PC and portable storage devices against loss or theft with bitlocker Work in 35 different languages

windows 7 premium & windows 7 professional are the same.

But windows 7 ultimate Has more features

Utimate