This product includes both 32-bit and 64-bit versions.
Make sure your computer is ready for Windows Anytime Upgrade. Download the Windows 7 Upgrade Advisor. This small software tool will scan your computer and create an easy-to-understand report of all known system, device, and program compatibility issues, and suggest ways to resolve them.
Note: You can use Windows Anytime Upgrade to upgrade from one 32-bit version of Windows 7 to another and from one 64-bit version of Windows 7 to another, but you can’t upgrade from a 32-bit version of Windows 7 to a 64-bit version of Windows 7 or vice versa.
Running Windows Vista? Windows Anytime Upgrade: Windows 7 Starter to Home Premium is designed as an upgrade from one edition of Windows 7 to another edition with more features. To upgrade your PC from Windows Vista to Windows 7, you will need to purchase a Windows 7 Upgrade, available from Microsoft Store.