: If you have the original DVD, do not use the default "Install" button, which typically installs the 32-bit version. Instead: Open the disc in File Explorer. Navigate to the x64 folder. Double-click setup.exe to begin the 64-bit installation.
Official support and direct download links for from Microsoft's website ended on October 13, 2020. Because the software is "End of Life," Microsoft no longer provides security updates or technical support for it. How to Install Office 2010 64-Bit download microsoft office professional 2010 64 bit
: Some users rely on third-party repositories like the Internet Archive to find ISO files for backup purposes. Warning: Always verify that you are downloading from a safe source, as unofficial files can contain malware. Product Key and Activation : If you have the original DVD, do
You have installed Office 2010 on too many PCs. The retail license allows one main PC and one portable device. Fix: Deactivate Office on the old PC by opening an app, going to File → Help → Deactivate, then retry activation. Double-click setup
using a tool like CertUtil or 7-Zip. The correct SHA-1 for the English 64-bit Professional Plus ISO should match community-published values (check forums like MyDigitalLife or Reddit’s r/sysadmin).
