Upgrading from Windows Vista to Windows 7 requires purchasing a retail license key and verifying that your specific version of Vista supports an Because Windows 7 is no longer officially sold by Microsoft, you must source a legitimate product key from third-party retailers. 1. Where to Buy
: Check sites like Amazon or Newegg for remaining retail box copies or OEM system builder licenses. buy windows 7 upgrade from vista
Microsoft no longer sells Windows 7 directly. You can find retail copies or product keys through: Upgrading from Windows Vista to Windows 7 requires