Activation steps
1. Open any Office app. 2. Sign in or choose Activate. 3. Enter your 25-character product key. 4. Follow the prompts.
If you see error 0xC004, restart and retry.
2 views · updated 2026-06-26
1. Open any Office app. 2. Sign in or choose Activate. 3. Enter your 25-character product key. 4. Follow the prompts.
If you see error 0xC004, restart and retry.
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