To activate your Microsoft Office or Microsoft 365 subscription, go to setup.office.com or office.com/setup. Enter your 25-character product key and sign in with your Microsoft account to complete the setup.
Steps to Activate with your Product code
- Visit on Microsoft365.com/setup.
- Sign in with your Microsoft account (or create one).
- Enter your 25-digit Office product key.
- Choose your region and language.
- Download and install Microsoft 365 or Office.
- Launch Office and sign in to activate your product.
