When you are office logging at first time then you can use web browser and go to office.com/setup website. Microsoft Office is a family of client-server software, and services developed by Microsoft.
Microsoft Office is a cloud-based suite of solutions that includes Exchange Online as the email and calendaring environment. when you logged in then you enter office product key for install details at office.com/setup.
Where to enter your microsoft Office product key?
If you install office that came with a product key, After you enter key, you can install Office for another details at office.com/setup.
Go to office.com/setup site.
Sign in with the Microsoft account that you used to buy Office.
Instead, use your Microsoft account to sign in to microsoft official.
Then install your Office product.
Your product key has already been redeemed and is no longer needed.
After you sign in, select your name in the upper right-hand corner, and then select Order History.
Locate the office one-time purchase or individual Office app.
And then select Install Office to view your product key.
Select Install Office again in the window where the product key appears.
Let's get started page.
follow the prompts to sign in again and associate your product with your Microsoft account.
