: Most laptops or pre-built PCs from that era have a Certificate of Authenticity (COA) sticker on the bottom or inside the battery compartment.
: Community-vetted sites like Internet Archive host original, untampered ISO files for older versions like Windows 7 Home Premium. : Most laptops or pre-built PCs from that
Before looking for a new key, check if your hardware already has one: : Most laptops or pre-built PCs from that