Under C:\Program Files\Computers and Structures\SAP2000 2x\Examples\ you’ll find dozens of ready-to-run models. Open a model, run analysis, review how loads, constraints, and sections were defined. Reverse-engineering is a powerful learning method.
: These provide a step-by-step "hands-on" approach to building models, defining materials (like steel and concrete), and running initial analyses. Getting Started Manuals sap2000 documentation