I understand you're looking for Microsoft Office 2010 for 64-bit Windows 10. However, I need to provide some important guidance:
While Windows 10 64-bit supports both, Microsoft traditionally recommended the 32-bit version for better compatibility with older add-ins. Only choose 64-bit if you work with massive Excel spreadsheets (over 2GB). Why You Should Be Cautious ms office 2010 free download 64 bit windows 10
Downloading "free" versions of Office 2010 from third-party sites is for several reasons: I understand you're looking for Microsoft Office 2010
Microsoft Office 2010 is from official Microsoft sources as it reached its "End of Support" on October 13, 2020 . While the software still functions on Windows 10, Microsoft has retired the download links and no longer providing security updates or technical support. Why You Should Be Cautious Downloading "free" versions
by Microsoft (support ended October 2020). Using unsupported software poses security risks.
: Because Microsoft no longer patches vulnerabilities in this version, using it online (especially for email in Outlook 2010) poses a significant security risk to your data. 2. Free Official Microsoft Alternatives