Additionally, the software can't be used to upgrade a current version of Windows it requires you to backup any data on your machine before you install it. Note: The OEM (Original Equipment Manufacturer) version of Windows 7 can only be used with a single PC, and the license is non-transferable. This version of the software is meant to be installed on 64-bit systems.

You'll also be able configure the OS to use any of 35 languages, making the Ultimate edition an excellent choice for multilingual users. Encrypting data is critical in environments where it is imperative that sensitive data does not fall into the wrong hands. The Ultimate edition adds BitLocker, which allows you to encrypt data on your hard drive and other storage devices. Finally, the Professional edition adds the ability to backup your system to a home or business network. You'll also be able to join Domains, which is often a requirement for connecting to corporate networks.

Other carry-over features include Windows XP Mode, which allows you to run legacy applications in a true virtualization of Windows XP. These include improved desktop navigation, improved speed, the Internet Explorer 8 web browser, Windows Media Center, and HomeGroup networking. It omits none of the features that are found in the Home Premium or Professional editions of the software. The Ultimate edition of Windows 7 is designed to meet the needs of business and home use alike. Building upon Vista's impressive feature set, Windows 7 adds many features which simplify the way you use your PC, as well as the way that your PC connects to the world.* Windows 7 Ultimate from Microsoft is the long-awaited successor to the ubiquitous Windows Vista operating system.

Windows 7 ultimate 64bit