Microsoft Word 2024 Product Key. If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the. If your purchase of office or microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

Activate a brand new office product key. However, if you’re reinstalling microsoft 365, and you’ve already redeemed a product key and have an account associated with microsoft 365, then go to the section sign in to.