Yes. If you need a specific environment for legacy software that breaks on Windows 11, finding a second-hand key might be necessary. Why Buying Windows 10 is Risky in 2026 Do You Really Have to Stop Using Windows 10? - WIRED
No. You cannot buy a new license from Microsoft or major retailers anymore. It is safer and more cost-effective to buy Windows 11, which is optimized for modern hardware and receives ongoing security patches. is it worth buying windows 10
As of 2026, for standard home users. Support for the operating system officially ended on October 14, 2025, meaning Microsoft no longer provides free security updates or technical assistance for Home and Pro versions. If you are considering a purchase, The Verdict: Windows 10 vs. Windows 11 - WIRED No