Resolving Error Code 25004: Incorrect Product Key Usage

Several strategies exist to rectify Error Code 25004:

1. Ensure the product key utilized aligns with the specific Microsoft Office version you intend to install. Confirm compatibility between the key and the Office edition.
2. Remove any prior Microsoft Office installations that might be obstructing the new install. Employ the Microsoft Office Removal Tool for a thorough uninstallation.
3. Temporarily deactivate any antivirus or firewall settings while installing. These security measures can occasionally disrupt the installation and trigger errors.
4. Opt for online activation of the product key rather than phone-based activation, which can help bypass certain activation dilemmas.