Windows 7 is available in three versions. Windows 7 Home Premium is the basic version. Windows 7 Professional and Windows 7 Ultimate add further productivity tools to the operating system.
Windows 7 Home Premium
Windows 7 Home Premium has improved desktop navigation over Windows XP and comes with Internet Explorer 8. It includes Windows Media Center to watch and record TV on your computer. The Homegroup feature lets you easily connect the PC to a home network. Windows Search is integrated into the Start menu for easy access. Home Premium has tools to allow you to back up and restore the computer.
Windows 7 Professional
Windows 7 Professional includes all of the features of Windows 7 Home Premium. It also has Windows XP mode, which allows you to run a virtual version of XP on the Windows 7 desktop to run programs that are incompatible with Windows 7. Professionals can also connect to company networks with Domain Join and can back up or restore to and from a network.
Windows 7 Ultimate
Windows 7 Ultimate includes everything in the other editions and adds the ability to protect files with BitLocker encryption and to switch the operating system between 35 languages.