Click the "Install Office" button. The tool will:

| Feature | Office Installer 1.2.5 | Microsoft Official ODT | | :--- | :--- | :--- | | Cost | Free (unlicensed) | Paid (subscription or one-time) | | Ease of Use | Very Easy (GUI, one-click) | Complex (XML, CLI) | | Activation | Automatic (KMS) | Manual entry of retail key | | Portability | Yes (USB drive) | No (requires installation) | | Legal Status | Violates ToS | Fully compliant | | Updates | Manual (via tool) | Automatic via Windows Update |

The tool silently executes:

setup.exe /configure configuration.xml

This triggers the official Microsoft Office installer, but with pre-filled options. The user sees the standard Microsoft installation progress bar.