These steps apply if you’ve purchased your product through the Microsoft Store. Enter your Office product key, without hyphens.In the ‘Sign in to set up Office’ window, select I don't want to sign in or create an account.Start an Office app, like Word, Project, or Visio, depending on your purchase.These steps apply only to Office Professional Plus, Visio Professional, or Project Professional. Follow the prompts to finish the redemption process.If you don't see the option to enter your product key, it was entered for you automatically. Enter your Office product key, without hyphens, if prompted.Be sure to remember this account so that you can install or reinstall Office later, without a product key. Sign in with your Microsoft account, or create one if you don't have one.
Office 365, Office 2019, Office 2016, and Office 2013 (PC and Mac) If your purchase of an Office product came with a 25 character product key, you can use the steps below based on which product you have to find out where you should enter that key to download and install your Office product.