Using patched commercial software violates intellectual property laws. Companies have been sued for using unlicensed tools. If you’re a student, you risk academic expulsion. If you’re a professional, you risk termination and legal action from Ansys.
For students or hobbyists who cannot afford a full license, Ansys offers the Electronics Desktop Student version , which is free for self-learning and includes the foundational tools needed to design antennas without the risks of using patched software. HFSS Antenna Design Toolkit hfss antenna toolkit patched
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