Windows 7 is the most popular operating system of Microsoft.Windows 7 is user friendly and easy to use for new users.
Windows 7 has 6 different additions among that windows 7 ultimate has more features than others version.It available on both 64 bit and 32 bit operating system.Windows 7 ultimate has most important feature called Bit locker drive encryption.With help of this feature you can lock your drive for safety purpose and protect your data and avoid unauthorized access.