To Activate office using my product key, visit Microsoft365.com/setup and sign in with your Microsoft account. Enter your 25-character product key to link it to your account—Office will then verify and activate your license, unlocking all features without limitations.
Key Highlights on Activate Office Using Product Key
- Open office.com/setup (e.g., Word or Excel).
- Click "Activate" or go to File > Account > Activate Product.
- Select "Enter Product Key" and input your 25-character key.
- Sign in with your Microsoft account (if prompted).
- Follow the prompts to complete activation.
- Restart Office apps to ensure activation is applied.
