Launch the program from the ribbon/Add-Ins tab or using command TLAddPointToPointGroup.

If a point group is not selected, the app will prompt the user for a point group name. The same point group will be used from now on upon subsequent invocations of the command until the user explicitly changes the group name. 

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in.

OR, simply double-click the downloaded installer to install the app/plugin. 

You may need to restart the Autodesk product to activate the app/plug-in. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.