I had to reinstall Office 2013 on my old home desktop that I still use for spreadsheets and basic editing, but the original key kept failing activation. It wasn’t worth investing in a newer license just for occasional use, so I tested out kms-full to see if it could handle older Office versions in 2025. It launched fast, didn’t need any special configuration, and completed the activation without affecting any files or settings. What stood out was how stable the system remained afterward—no crashes, no blocked updates, and Office opened like nothing had ever gone wrong. Even weeks later, everything still works without needing to run the tool again.