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Retail boxed and OEM versions are frequently available on eBay .

: Because it is no longer supported, using Windows 7 on a device connected to the internet is considered a significant security risk. buy windows 7 professional from microsoft

Sites like ProductSoft and SoftState often list digital keys (ESD) or physical boxes. : Retail boxed and OEM versions are frequently available

: 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 buy windows 7 professional from microsoft

Marketplaces like Amazon and Newegg may still list "New Old Stock" from third-party vendors. :