Autodesk is transitioning to (via Autodesk Docs and Plant 3D’s new "Content Manager"). However, classic Content Packs remain essential for two reasons:

Compatibility and version notes:

Components are modeled according to manufacturer catalogs (like Georg Fischer, Victaulic, or Charlotte Pipe), reducing the risk of dimensional errors.

Due to changes in Autodesk's licensing (moving from standalone installers to the Autodesk Desktop App), installing these packs can be confusing. Follow this step-by-step: