The file is in ISO format and needs software to extract into a DVD or hard drive. The page includes installation instructions for upgrading from Vista or a clean install dual boot for WinXP and Vista users. , click on the correct download version, and signup for a key. To get a Windows 7 Beta Key that last to August 09, go to the
Win 7 has some big improvements and introduces DirectX 11. Windows 7 is the next Microsoft operating system that replaces predecessor, Windows Vista.