The Selector plugin provides functionality for convenient control of each rig during animation.

In most cases, the Rigger creates a setup that is understandable to the Selector automatically, but sometimes you need to manually observe some nuances during rigging.

visit the link for details: https://rigger.ws/proposed-concept-during-rigging/

The installer that ran when you downloaded this plug-in from the Autodesk App Store has already installed the plug-in.

Windows only: To uninstall this plug-in, Simply rerun the installer by downloading it again from the Autodesk App Store, and selecting the 'Uninstall' button, or you can uninstall it from 'Control Panel\Programs\Programs and Features' (Windows 7/8.1/10/11), just as you would uninstall any other application from your system. The panel on the Plug-ins tab will not be removed until Autodesk® Maya® is restarted.

Linux and OSX: To uninstall this plug-in, simply delete the module directory from your system. The panel on the Plug-ins tab will not be removed until Maya is restarted.