The Microsoft Office product key ( office.com/setup) is essential for activating your Office software after purchase. It confirms that your copy is legitimate and enables full access to all features and services.
 
Key Highlight: Microsoft Office product key at office.com/setup
 
  1. A product key looks like: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
  2. Found on a card inside the box, in an email, or on a receipt.
  3. Used during installation or at office.com/setup.
  4. Required to activate Office setup for the first time.
  5. Can be linked to your Microsoft account.
  6. Prevents software piracy and misuse.
  7. Needed for reinstallation if not linked to an account.
  8. Not required for Office 365 subscriptions after activation.
  9. Can’t be reused on multiple devices unless allowed.
  10. Keep it safe for future reference or troubleshooting.