Applies to Microsoft Office Home & Student 2019.
On Office.com/setup, sign in using your Microsoft account, or create a new one. You'll see your name if we detect your Microsoft account automatically.
Enter your product key (if prompted), select your country or region, and select your language.
Select Next to finish the redemption process. Now you're ready to install Office apps.
If you bought multiple keys, repeat Steps 1-3 for each key.