If you're a professional who refuses to pay $545/year: consider that your designs likely earn more than that per day. The crack is not worth your career, your client's trust, or your computer's safety.
But here's the truth that Google won't tell you: Autodesk already provides legal, free, and fully functional versions of Fusion 360 for non-commercial users, startups, and educators. Using a crack exposes you to identity theft and malware—all for features you can get legitimately. autodesk fusion 360 with crack new
If you're a startup: apply for the 1-year free commercial license. It's legal and includes support. If you're a professional who refuses to pay