There is no legitimate way to install “Microsoft Office 2010 for Mac OS Sierra” as a native macOS package. Use virtualization, Boot Camp, remote access, or switch to a native supported Office for Mac or alternative office suite to stay secure and supported.
If you need offline software that works on older operating systems like macOS Sierra, these free alternatives offer high compatibility with .docx and .xlsx files: Download Office 2010 - Microsoft Office 2010 has been retired. Obtaining Microsoft Office 365 Word for free. Microsoft Office 2010 Free Download For Mac Os Sierra
: This suite is known for its high compatibility with Word formatting and currently supports macOS Sierra. Summary of Compatibility What version of Office runs in High Sierra? - Microsoft Q&A There is no legitimate way to install “Microsoft
While you might be searching for "Microsoft Office 2010" for your Mac, it is important to know that and was never released for macOS. Obtaining Microsoft Office 365 Word for free