Open the virtual drive and locate Setup.exe . Double-click to run it. The installer will launch.
If you already own a valid license key, the safest way to download the installer is directly through your Microsoft Account Services download office 2016 64 bits
Installation takes 10–20 minutes. The screen will show "Processing..." and a progress bar. Do not interrupt the process or restart your PC. Open the virtual drive and locate Setup
If you are downloading Office 2016 64-bits today (mid-2026 or later): If you already own a valid license key,
If you work with Excel workbooks exceeding 2GB or complex Data Models, the 64-bit architecture can access virtually unlimited memory, preventing "out of memory" crashes.
Download the Office Deployment Tool from Microsoft. Create an XML configuration file specifying:
A 64-bit version of Office allows the applications (Word, Excel, PowerPoint, Outlook) to access more memory (RAM) than the 32-bit version, which is limited to 2GB. You should download if: