Fusion 360 is cloud-based. Cracked versions often fail to save work or crash because they cannot connect to Autodesk’s servers.
Attempting to install a "cracked" version of Fusion 360 from unofficial sources exposes your computer and data to several high-level risks: Malware and Ransomware
Using a cracked version of Fusion 360 or any other software is against the terms of service and can be considered illegal. Software piracy can result in severe consequences, including fines and penalties.
Searching for and installing cracked software often leads to severe consequences: High Malware Risk