Before diving into the "how," let's analyze the "why." Despite being obsolete, Office 2010 offers specific advantages that keep the search demand high:
Users specifically seeking the 64-bit version of Office 2010 often misunderstand its purpose. The 64-bit version was designed for extreme data scenarios—Excel workbooks exceeding 2GB, Access databases with hundreds of thousands of objects, or complex Outlook add-ins. For most tasks, Microsoft itself recommended the 32-bit version for compatibility. On Windows 10, the 64-bit Office 2010 may encounter driver issues, printer problems, and broken add-ins written for 32-bit systems. Ironically, the “extra quality” sought by users may be entirely imaginary; the 64-bit version historically introduced more bugs than it solved. Before diving into the "how," let's analyze the "why
If you legally own Office 2010 (you have a product key card or a sticker on an old PC), Microsoft allows you to download the 64-bit ISO via their Old Version Downloader (a tool that interfaces with Microsoft’s publicly accessible servers). Note: Microsoft removed general public access to Office
Step-by-step to get the official 64-bit ISO: Before diving into the "how
Note: Microsoft removed general public access to Office 2010 downloads in 2022, but backend key validation still works for Volume License customers.