Most software on Windows is 64-bit nowadays, so the natural assumption is that the 64-bit version of Office is "better." However, for Office 2010, that isn't always the case.
However, finding a legitimate, safe, and functional 64-bit version of Office 2010 is not as straightforward as it was a decade ago. Microsoft officially ended support for Office 2010 on , meaning no more security updates or technical support. Yet, the demand persists.
Unless you are a "power user" dealing with massive databases in Excel, the 32-bit version generally offers a smoother, more compatible experience.
Navigate to the extracted folder, right-click setup.exe , and select .