To Install Microsoft Office Setup you will need 25 digit Alphanumeric Product key.
Where to find Microsoft Office Setup Product Key?
Microsoft Office Setup Product Key is combination of 25 alpha-numeric characters and is printed on the back side of your Microsoft Office Setup Card.
Here is the sample of 25 digit alphanumeric Product Key : XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
Where to Enter Microsoft Office Setup Product Key?
Step1 : Go to office.com/setup and Sign in to Microsoft account
Step2 : You will be asked to enter product key
Setp 3 : Click to Install Button, Follow instruction as per operating system and browser
If you face any office setup error while installation call for office setup support.