A product key is required to activate these products. If you don't see the option to enter your product key, it was entered for you automatically. At first, go to this Microsoft Services & Subscription page and log into your account. To get the full product key, you have to get a license key for Product Key Finder. How to activate Microsoft Office 2016 without license key Method 1: You use KMS client key to activate Microsoft Office 2016 without license key. In this video we will see How to activate Microsoft office from officially. Here are three ways on how to transfer Microsoft Office to another computer. (1) Part 2: Remove Existing Office Product Key. Click the Microsoft Office 2010 and pick Change on the top area of the menu. Server Setup keys are used to 'unlock' the product. In this path, we have to … Double-click on 'cocosenor-product-key-tuner.exe' file to install it on your computer, and select to launch it now. Step 3: Remove the stored credentials in Credential Manager. The KMS key will enable you to activate all Office 2016 client products (Office Professional Plus, Visio, and Project). The activation code supports the activation of all language versions. Download Office 2019 Key From a Third-Party: ~$45.