A free app and service that helps families create healthy digital habits and stay connected. It’s designed to support both online safety and real-world awareness by offering tools for screen time management, content filtering, and location sharing
IF you purchased Microsoft 365 from a 3rd party retailer, you only need to use the product key once when activating Office, after that it is a digital licence associated to your Microsoft account, if you purchased Microsoft 365 directly from Microsoft, you never need a product key.
You can re-install Office without the need for a product key, do you find your Microsoft 365 subscription listed on this link.