The Upgrade for WIndows 7 is available on Amazon.com as well as the Microsoft Store for Pre-Order.  Windows 7 Home Premium Upgrade will only cost you $49.99, a savings of $70 from the suggested $120. Windows 7 Professional Upgrade will set you back $99.99 for a savings of $100. All versions of Windows 7 will be available starting on Oct. 22, 2009. While initial reports say that Win7 is extremely stable and should run on a wide variety of hardware you can ensure sure your PC is compatible with Windows 7 by grabbing Microsoft’s Windows 7 Upgrade Advisor. Windows 7 installation disks will contain both 32 bit and 64 bit versions of Windows… so no matter which you version purchase it will install on your PC.

You can purchase the Microsoft Windows 7 Home Premium Upgrade for $49.99 or Microsoft Windows 7 Professional Upgrade for $99.99 from Amazon or through the Microsoft Store.