How to Set up Microsoft Office with Product Key at office.com/setup
Steps to setup Microsoft Office at microsoft365.com/setup are:
Visit www.office.com/setup and follow the on-screen instructions activation link.
Sign in to your Microsoft account or to manage your Microsoft products’ subscription, create one.
Enter your product key or code and click Next.
When your account successfully associated with the key, you’ll see the page “My Office account“.
Now, Select Install and follow the on-screen instructions.
www.office.com/myacount lets you manage your office account with all the features that you will require to manage your subscriptions, renewal, billings and make new purchases.
Go to office.com/setup365 and select Sign In.
Enter the email address and password. This might be your personal Microsoft office myaccount, or the username and password you use with your work or home and business account.
Choose the App Launcher and then choose any Office app to start using it.
Microsoft 365, Office 2021, Office 2019, Office 2016, and Office 2013 (PC and Mac)
To redeem a new purchase.
Step 1: Go to www.office.com/setup or Microsoft365.com/setup.
Step 2: Sign in with your Microsoft account, or create one if you don't have one. ...
Step 3: Enter your product key, without hyphens, if prompted.