If you need Mathematica for research or learning, there are several legal avenues to explore:
It is important to clarify that obtaining or using "free" activation keys for proprietary software like Wolfram Mathematica 12 from third-party sites is illegal and unsafe. This practice, often referred to as software piracy, carries significant risks. The Risks of Unauthorized Keys Wolfram Mathematica 12 Activation Key FREE Down...
Most universities and research institutions provide Mathematica for free to their students and faculty. Check your school's software portal. If you need Mathematica for research or learning,