Office Installer 1.2.5 By Ratiborus Patched

Post-installation, the tool injects a Volume License key (GVLK – Generic Volume License Key) corresponding to the installed version (e.g., NMMKJ-6RK4F-KMJVX-8D9MJ-6MWKP for Office 2019 Pro Plus). This converts the product from Retail/Trial to VL.

The 1.2.5 update is primarily a maintenance release aimed at compatibility. As Microsoft frequently updates the backend URLs and detection methods for Office 2016, 2019, and 365, third-party tools must evolve to keep up. Office Installer 1.2.5 by Ratiborus