I could not find a legitimate, fully functional free version of ANSYS SolidSquad or any software directly named "SolidSquad" from ANSYS. Here’s a review and clarification on the topic.
Renewable License: The license is typically valid for 12 months and can be renewed for free as long as you are a student. System Requirements for Smooth Performance ansys solidsquad free
Major antivirus engines (Windows Defender, Malwarebytes, Norton) universally flag SolidSquad executables as Trojan:Win32/Wacatac or HackTool:Win32/Keygen. I could not find a legitimate, fully functional