PTC offers official learning connectors. While much of it is now web-based, searching their community forums often yields legacy "Creo Elements/Direct Modeling 19.0" or "20.0" Getting Started guides in PDF format. These are the gold standard.
In the world of 3D CAD (Computer-Aided Design), two primary methodologies dominate: parametric (history-based) modeling and direct (history-free) modeling. While tools like Creo Parametric are industry standards for complex, constraint-driven design, (formerly known as CoCreate) offers a radically different, agile approach. creo elements direct modeling tutorial pdf
To edit a model, you can use various tools, such as: PTC offers official learning connectors