How to install the Addon-

Download "Render-Pro" File>Open Blender>Edit>Preferences>Install>Select addon file and choose install. Don't forget to enable the addon after install.

How to Install Assets-

Download the "Renderpro_HDRI" File>Unzip>Addon Preferences>Select Assets folder.

How to Favorite HDRI's-

Select the desired HDRI>Press the heart icon. This will add the selected HDRI to the favorite category.

How to use Multi-Render-

Add scene cameras to a collection>Assign the collection name to the camera collection panel> Press the "Setup Multi-Render Button">Press Render