Please read and follow carefully!!!! 1 - Login or create new account on official website: office.com/setup 2 - Enter the product key and select your country and language. 3 - Click on continue, download the office setup and open it. 4 - Once the setup finishes the installation, open any office program (word,excel...) to activate by phone and follow the activation guid bellow in the video : https://youtu.be/H7cJOp2L5FU Step 4: Activate with key you purchased ⚠️This is For 1 User . ⚠️ IF YOU CHANGE YOUR PC OR DEVICE YOU CAN JUST REMOVE THE KEY FROM THE CURRENT ONE AND USE IN OTHER. ⚠️If Any Doubts You can Always Contact us. ⚠️NOTE: If you need anydesk/remote support we can provide it. warranty : 7 day