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Guide on Activate microsoft office with my product key

To activate microsoft office with my product key, visit Microsoft365.com/setup and enter your 25-character product key. Follow the on-screen instructions to download and install Office, then sign in with your Microsoft account to complete activation.

How to Activate microsoft office using key 

  • Go to Microsoft365.com/setup.
  • Sign in with your Microsoft account or create one if you don’t have it.
  • Enter your 25-character product key when prompted.Choose your country and language preferences.
  • Download and install Microsoft Office.
  • Launch an Office app and sign in to activate your subscription.
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Last modified: 2025-10-13Powered by