: Retail licenses are generally transferable to another PC, whereas OEM (Original Equipment Manufacturer) licenses are tied to the first motherboard they are activated on.
Purchasing a product key today primarily involves secondary marketplaces, as Microsoft and official retailers ceased selling it years ago. While you can find digital-only keys or physical retail boxes, experts from Microsoft Support and community forums like Microsoft Q&A caution that standalone keys sold online are often pirated or volume licenses not intended for private use. To ensure a legitimate copy, it is recommended to look for complete, sealed retail packages that include the original DVD and the Certificate of Authenticity (COA) label. Current Purchasing Options buy windows 7 ultimate 64 bit product key
: A full version retail package is listed at eBay for . This is a new condition product intended for one PC. : Retail licenses are generally transferable to another