Windows 7

Microsoft launched a latest version of Windows, the Windows 7, on October 22, 2009.

Here are some hints to upgrade your PC to Windows 7:

1. Download and run the Windows 7 Upgrade Advisor to see if your PC is ready for Windows 7.

2. Two key words: 

• Upgrade: files and applications are maintained on the computer and do not need to be reinstalled. Available for some computers running Windows Vista only.

• Migration: clean installation, files and settings must be transferred to a safe location prior to installing. After the installation is complete, move the files and settings back and then reinstall.
  

3. Windows Easy Transfer:

• Open Windows Easy Transfer by clicking the Start button.
  
• Type Easy Transfer in the search box, and then click Windows Easy Transfer.
• Follow the instructions, then it is done.
  

4. Upgrading to Windows 7: Follow instructions from the links below:

• Upgrading from Windows Vista to Windows 7
• Upgrading from Windows XP to Windows 7

Visit Installing Windows: Recommended Links, for more information.

Source: Microsoft/Windows/Windows 7