To run the 64-bit version of Office 2013, your hardware must meet these minimum specifications: Office 2013-Standard system requirements
Sites like FileHippo sometimes host older installers. However, proceed with extreme caution and verify that the file hash matches official Microsoft releases to avoid bundled adware. System Requirements for the 64-Bit Version download office 2013 64 bit
While not a full installer, for those who already have the base software, the Microsoft Update Catalog remains a vital resource for downloading manual 64-bit security patches and Service Pack 1. To run the 64-bit version of Office 2013,
While the 32-bit version was still the default for most people to ensure compatibility with older add-ins, the 64-bit version was the heavy lifter. It was the tool of choice for data scientists and financial analysts who were pushing Excel to its breaking point with massive, enterprise-scale workbooks. Unlike the 32-bit version, which hit a "ceiling" at 4GB of addressable memory, the 64-bit edition could breathe, accessing vast amounts of RAM to handle complex calculations and "Power Pivot" models that would have crashed previous versions. A Bridge Between Worlds While the 32-bit version was still the default