Sahil Sura
Ansys Employee

Hi @tongfang.fu,
You can find the details of the applications included in the Ansys Academic version as follows - Download Ansys Student | Workbench-based Simulation Tools 
 Extensions/ Add ons can be found in Ansys Store for specific products. You can add the Ansys Motion add-on from the following link-  Ansys Store Ansys MotionV2020.2 created by Ansys Inc.

Hope this helps!
Thanks,
Sahil 
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