To redeem the product key, you need to first locate it. The 25-digit activation code can be found either on the retail card or in the inbox of your email account. Once you locate it, follow the instructions given below:
Go to office.com/setup for Office Setup.
Select the Office product you want to install.
Sign In to your account at www.office.com/setup to complete the purchase and setup office.
If you, however, do not have a Microsoft Account, you’ll have to create one.
Find the Product key of your Microsoft Office in your email associated with your office.
Enter your Microsoft Office Product Key.
Once you have logged in to your account or created a new one.
Now, you have to enter the Product key in the orange area.
Select your country and the language you want.
Download and Install Office.
Once you have entered the correct information, you can begin downloading the software.
Follow the on-screen directions and start downloading your registered copy of Microsoft Office.
Run the Activation wizard. Once you run the office installer you need to follow on-screen instructions.
Open and Run office Applications. As soon as the installation is complete.