After installation (roughly 15 minutes), open Word or Excel. Go to File > Help . You will see "32-bit" or "64-bit" listed next to your version number. Confirm it says "64-bit." Use your legitimate key to activate via Microsoft's automated phone system (since online activation for 2010 is largely deprecated).

Microsoft Office 2010 is a suite of productivity software developed by Microsoft, released on June 15, 2010. It is the successor to Microsoft Office 2007 and precedes Microsoft Office 2013. Office 2010 was a significant upgrade, introducing several new features, including improved user interface, enhanced collaboration tools, and more robust security measures. One of the most sought-after versions of Office 2010 is the 64-bit ISO, which catered to the needs of users with 64-bit operating systems.