Explain your situation: let them know what ProduKey reports: maybe even the last 5 characters in Belarc if they are different than ProduKey. If unsuccessful, call Microsoft 80 or 88. Hopefully it will get you to the point where you can re-install it on your computer. Unfortunately I don’t recall the steps you need to follow through but If you can get through the process chances are Microsoft’s assigned product key will be different than your purchased product key.

Even if you hadn’t used a Microsoft account and/or didn’t purchase it through the store, try anyway. If you have a Microsoft account, try this. Activar Office 2013 mediante Regedit Un método no tan popular es el uso del editor de registro regedit para editar elementos del Office. Activate Office thats pre-installed on a new Windows 10 device. In 2017 he had to re-install it and the following recommendation worked for him. Select your version of Office below to learn how to activate Office: Activate Office 365, 2019, 2016, or 2013. I had used my Microsoft account to purchase it through the store. I installed Microsoft Office Home & Business 2013 in 2015 on a laptop I gave my son.

Office 2013 professional activator