: These are often volume licenses (KMS) intended for businesses or MSDN keys meant for developers.

: On older laptops, the sticker is often hidden in the battery compartment to prevent wear and tear. 2. Purchase from Third-Party Marketplaces

: Microsoft stopped providing security patches for Windows 7 in January 2020. Using it online makes your system highly vulnerable to malware.

: Microsoft may revoke these keys at any time, leaving your OS unactivated.

: Look for sellers with high ratings and photos of the actual physical product rather than just a stock image of a digital key.