Load File...
Open a file browser to manually chose the rigging .json file to apply.
Load Profile >
Auto populated list of all rigging .json files within the character's Rigging folder to quickly load curated rigs.
Rig Builder...
Open the Rig Builder tool UI
Color Sets...
Open the Color Sets Editor tool UI
Save
Saves all currently applied Rig Components and Space Switching out to a rigging .json file.