You can find the 3D-models (RTE format) after installation in the following path: Win7/8/8.1/10 : % PUBLIC%\Documents\Autodesk\Downloaded Content (typically C:\Users\Public\Documents\Autodesk\Downloaded Content)

The installer that ran when you downloaded this plug-in from Autodesk App Store has already installed the plug-in. You may need to restart the Autodesk product to activate the plug-in. To uninstall this plug-in, click Control Panel > Programs > Programs and Features (Windows 7/8/8.1/10) or Control Panel > Add or Remove Programs, and uninstall as you would any other application from your system.