Microsoft has confirmed to computer world that an upgrade option would be provided to the Windows XP users,so it means not only the Windows Vista users but the Windows XP users would be also given an opportunity to upgrade to Windows 7 at cheaper prices.

Here is what the computer world reads-

"Regarding XP, customers can purchase upgrade media and an upgrade license to move from Windows XP to Windows 7," a company spokeswoman said in an e-mail this morning. "However, they will need to do a clean installation of Windows 7."