If you have obtained a legal copy (example) and the key of SAP2000 then you should have in your hands all Books-Manuals which you must read carefully and apply the gained knowledge in modeling and structural analysis. SAP2000 is a very well designed tool which, if you learn all the manuals, will give you the large opportunities to do analysis of any type of structures.
Best regards,
Mikayel Melkumyan
Doctor of Sciences (Engineering), Professor
Academician of the Saint-Petersburg Arctic Academy of Sciences
Academician of the Athens Institute for Education and Research
President of the Armenian Association for Earthquake Engineering
Vice-President of the International Association of CIS Countries on Base Isolation
Member of the American Association for Science and Technology
Foreign member of the Research Center of Seismic Resistant Structures of the Institute of Industrial Science, University of Tokyo
Eminent Expert of the Committee of Eminent Experts in International Research Base of Seismic Mitigation and Isolation of Gansu Province in China
Founder of the "Save the Yerevan Schools From Earthquakes" foundation
Director of the "Melkumyan Seismic Technologies" LLC
You can download the trial version and read user manual to practice the software.There are various online platforms offering a shirt term course for beginners like CAD Academy