Start the application, in the Autodesk® AutoCAD® you can do one of the below ways:

• In the Command Line, >> type PEXPRESS (If your current workspace is different "Drafting & Annotation").
• You can also launch the application by finding Pipe Express tab.
• Or, using the respective button in the "Add-ins" tab of the ribbon (If your current workspace is "Drafting & Annotation").

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.