From Microsoft: Buy Windows 7 Key

: Intended for businesses, these keys can be deactivated by Microsoft at any time if they are sold to individuals.

Here’s a quick write-up on what you can do instead and what to watch out for: 1. Where to Look Instead buy windows 7 key from microsoft

Because Microsoft doesn't sell them, you’ll have to look toward third-party retailers or second-hand markets: : Intended for businesses, these keys can be

: Some authorized retailers may still have old "boxed" stock (DVD + Key). You can check sites like Amazon or Newegg for physical copies. : Intended for businesses