Windows 8 System Requirements
In general, if your computer is already running Windows 7 it should meet the following requirements for Windows 8:
To test your computer and all of its devices for Windows 8 suitability, plus your installed software for compatibility, click the button below to download Microsoft's "Windows 8 Upgrade Assistant." Save the file, then double-click to run it.
See also our December 2011, April and August 2012 newsletters for more about Windows 8, or visit Microsoft Windows 8 Release Preview.