First of all, go to https://www.appiscad.com/my-account/, register if you are a new user, or login in case you already have an account, then follow the steps below:

Start adding CADtools/Applications to your library on the website.

Open the Autodesk® product and click on the My Library icon or type MYLIBRARY in the command line to open the library dialog.

Insert your email into the login dialog then press the Login button to start downloading your website's Library to the local computer.

Once the library has loaded, navigate through the categories list_box to find the CAD tools you are searching for, and then click on the button that performs the relevant actions as follows:

RUN:                                 Insert/Draw the selected  CADtool or CAD Block into the drawing.

Draw tags:                         Add tags for similar objects.

Draw Tables:                      Insert data table for similar objects.

Bill of Quantities:                Generates quantities for the whole or part of the drawing.

Sync Web:                         Download/Update the CADtools/Applications to your Local Library from your Website Library.

Remove Tools:                   Remove CADtools/Applications from both Local and Website Libraries. 

For additional information regarding options, CADtools details, and get started tutorial please visit https://www.appiscad.com/get-started/.

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.