License activation key Microsoft Office 2021 Professional Plus.
You can activate the key on the official Microsoft website or in the Microsoft Office application.
How to activate Office Pro Plus 2021
Download and install Office 2021 on your Windows 10/11 PC.
Click Start and open any Office application (such as Word).
Wait for the activation screen to appear.
Now enter the product key you received after purchase, then click Activate Office.
Done, your Office is now fully activated.
If you have any difficulties with activation, do not hesitate to contact me, I will 100% help solve your problem.