To set up Microsoft 365 using your product key, follow these steps:

  1. Go to the Setup Page: Visit microsoft365.com/setup.

  2. Sign In: Log in with the Microsoft account that you want to link to your Microsoft 365 subscription.

  3. Enter Product Key: On the setup page, enter the 25-character product key you received with your purchase.

  4. Create or Link Account: If prompted, either create a new Microsoft account or link the product key to an existing one.

  5. Download and Install: After entering the product key, follow the instructions to download the Microsoft 365 installer, then run it to begin installation.

  6. Activate: Once the installation is complete, open any Office app (like Word or Excel), sign in with your Microsoft account, and your Microsoft 365 subscription will be activated.