A: Only a 30-day trial. After that, you must buy a license key. There is no legal 100% free version.
The installation is triggered via the command line using the /configure switch: setup.exe /configure configuration.xml This bypasses the need to stream data from the internet, reading directly from the local data.cab files included in the download. Microsoft Office 2019 Pro Plus Offline Installer Download
Select your plan. Office for home Office for business. Step 1. Download the offline installer from your account portal. Important: Microsoft Support A: Only a 30-day trial