In general, for any software or application that is purchased, it is sold with the Office.com/setup activation code that is required for installation or installation. If you bought the Office 365 package physically, the package may contain the key to the product. If you bought or ordered it on the internet, you may receive it via an email or a receipt. It might be stored in an online Microsoft account. It is essential to keep the key safe since it’s extremely difficult to find once you’ve lost it. The key serves as proof of that you legally are the owner of the software.
After you have located your key, go to office.com/myaccount or office.com/setup365 to redeem it and obtain your products. Through office.com/setup, you will be asked to sign in or create a new one, enter your product key, and receive your Office 365 products. Whereas, through office.com/setup365, you can create a new Microsoft account using the given form if you do not already have one, or sign in with your existing account to receive your products and run Microsoft Office setup.