Marketplaces like Amazon and Newegg may still list "New Old Stock" from third-party vendors. :
: Can be transferred to another computer; usually more expensive. buy windows 7 professional from microsoft
: Many modern hardware components (CPUs, motherboards) released after 2017 do not have official drivers for Windows 7. Buy WIndows 7 Professional license key - Microsoft Q&A Marketplaces like Amazon and Newegg may still list