We’re putting the final touches on our new badges platform. Badge issuance remains temporarily paused, but all completions are being recorded and will be fulfilled once the platform is live. Thank you for your patience.
George Karnos
Ansys Employee

It seems that the Free Student Version does not include Six Sigma
Please see "whats included" on the following page:

https://www.ansys.com/academic/students/ansys-student