To use a product key with (now officially known as Microsoft 365 Apps for enterprise ), you must redeem the key through an official Microsoft setup portal to link it to your account. Unlike older perpetual versions, Microsoft 365 is a subscription-based service where the product key typically serves as a one-time redemption tool rather than a permanent activation code. Redemption and Activation Process
: Visit Microsoft365.com/setup or Office.com/setup and sign in with the Microsoft account you want to use for the subscription. microsoft-office-365-pro-plus-with-product-keys
If you have a 25-character product key (formatted as XXXXX-XXXXX-XXXXX-XXXXX-XXXXX), follow these steps to activate your software: To use a product key with (now officially
: Once redeemed, you can download and install the applications (Word, Excel, PowerPoint, etc.) from the Services & Subscriptions page of your Microsoft account dashboard. If you have a 25-character product key (formatted