Resolving Error Code 25004: Inapplicable Product Key on Your System

Several effective methods exist to overcome this particular error code:

1. Verify that the product key you are utilising aligns with the specific version and edition of Microsoft Office you intend to install.
2. Eliminate any prior installations of Microsoft Office that might be interfering with your current setup. Employ the Microsoft Office Removal Tool for a thorough uninstallation.
3. Temporarily deactivate any antivirus or firewall protections during the setup. Occasionally, these security measures might obstruct the installation process, leading to errors.
4. Opt to activate the product key through online activation rather than by phone. This method often rectifies activation dilemmas.