Searching for a "crack" for Autodesk Fusion 360 is a common trap that usually leads to malware rather than free software. Because Fusion 360 is a cloud-based platform, a traditional "crack" doesn't actually work.
: If you are a hobbyist making less than $1,000 USD in annual revenue, you can apply for a Personal Use license . It is free for 3 years (and renewable) but has limited functionality (e.g., limit on active documents). Crack Autodesk Fusion 360