Using unsupported software exposes your PC to viruses, spyware, and remote code execution attacks.
GitHub hosts various repositories that list "generic" or "KMS" (Key Management Service) keys for Office 2010. End of support for Office 2010 - Microsoft Support office 2010 key github
New vulnerabilities discovered after this date will not be patched by Microsoft. Using unsupported software exposes your PC to viruses,
This guide explores the current landscape of Office 2010 on GitHub, the risks of using "free" keys, and safer alternatives for your productivity needs. The Current State of Office 2010 the risks of using "free" keys