Sometimes Windows permissions prevent activation files from updating. Right-click the Word icon and select Run as Administrator before attempting to activate.

: If you're stuck in a loop with an activation popup, some users suggest running the OSPP.VBS script or OSPPREARM.EXE as an administrator located in your Office installation folder (typically C:\Program Files\Microsoft Office\Office15 ) to reset the status.

: Since Office 2013 no longer receives security updates from Microsoft Support , using it may expose your system to potential vulnerabilities.

: Activation errors often occur if there are multiple versions of Office installed. Check your Control Panel (Add/Remove Programs) and uninstall any trial versions or older copies you aren't using.

: Open any Office program (like Word or Excel), go to File > Account , and look for an Activate Product button.

For technicians or those using Volume Licensing, the manual GUI methods can be bypassed using the Command Prompt.