The package automatically locates the latest version of your Autodesk® AutoCAD® Plant 3D™ if you have multiple versions of P3D, please change the location to the version you want. 

Step 1: After installation, the package will be located at “C:\AutoCAD Plant 3D 2026 Content\CPak Common”. 

Step 2: Open AutoCAD Plant Spec Editor and open the file “EN_10241 THREAED FITTINGS.pcat” from the path ”C:\AutoCAD Plant 3D 2025 Content\CPak Common\ CPak EN 10241 THREAED FITTINGS CONTENT PACK

Step 3: Add the component from Catalog to your current spec and start modeling.

Installation: 

The installer that ran when you downloaded this app/plug-in from the Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

Uninstallation notes:

To uninstall this content pack, please go to Control Panel => Programs and Features => select the "CPak EN 10241 THREAED FITTINGS CONTENT PACK 2026” => Uninstall