Running Windows Vista?

If you have Windows Vista, you can purchase Windows 7 Upgrade versions. You can do a clean install (back up your files, clean install, and reinstall your applications) or an in-place upgrade (Windows 7 installs over Windows Vista).

Running earlier versions?


If you have Windows XP, you can purchase Windows 7 Upgrade versions. But you must back up your files, clean install, and reinstall your applications.
If you’re running Windows 2000, you’ll need to purchase the full product and do a clean install.

Features

• Help prevent theft or loss of data: Use BitLocker and BitLocker
  To Go to better protect your valuable files – even on removable
  drives such as USB devices.


• Automatically back up your files: Protect your data from user
  error, hardware failure, and other problems. You can back up your
  files to an external hard drive, secondary hard drive, writable CD
  or DVD, or to a network location.


• Find virtually anything on your PC – from documents to photos to
  e-mail: Just click on the Start button, and enter a word or few
  letters in the name or file you want into the search box, and you’ll
  get an organised list of results.


• Save time and money resolving IT issues: Take advantage of the
  powerful diagnostics and troubleshooters built into Action Center to
  resolve many computer problems on your own.


• Get remote services with DirectAccess: Access corporate
  resources seamlessly when you’re on the Internet, without having to
  initiate a VPN connection. ¹


• Share files across the various PCs in your home: Use HomeGroup
  to connect your PCs running Windows 7 to a single printer. Specify
  exactly what you want to share from each PC with all the PCs in the
  HomeGroup.


• Connect multiple PCs, with or without a server: Use Domain Join
  to connect PCs quickly and more securely to your wired or wireless
  domain network.


• Work in the language of your choice: Switch between any of 35
  languages as easily as logging off and back on again.