Windows 8 Release Preview has been available for download for some time now. Millions of users have already installed and exploring the new features in the latest Windows version. At the same time, it seems, many users are having a common issue while
upgrading to Windows 8.
Doing a quick search on Google or Bing reveals that hundreds of users who have been trying to upgrade to Windows 8 are having a common issue. The setup gives “Your PC’s CPU isn’t compatible with Windows 8” error even if the PC meets
system requirements. According to Microsoft, the error occurs if your PC’s processor doesn’t support one of the following features: Physical Address Extension (PAE), NX, or SS2.
