From Microsoft | Buy Windows 7 Professional

Additionally, Microsoft ended all official support for Windows 7 on . This means the OS no longer receives security updates, leaving it highly vulnerable to modern malware and exploits. Where to Buy (Authorized Resellers & Marketplaces)

: 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

Marketplaces like Amazon and Newegg may still list "New Old Stock" from third-party vendors. : buy windows 7 professional from microsoft

If you purchase a new PC with or Windows 10 Pro , you may have "downgrade rights" that allow you to use a Windows 7 Pro license legally, provided you have your own installation media. Important Considerations License Types : buy windows 7 professional from microsoft