Buy Windows 7 Professional From Microsoft -

: Tied to the first motherboard it is activated on; generally cheaper and meant for system builders.

Retail boxed and OEM versions are frequently available on eBay . buy windows 7 professional from microsoft

You anymore . Retail sales for the software officially ended in October 2013, and pre-installed versions on new computers were discontinued by October 2016. : Tied to the first motherboard it is