If you're interested in a free version, exploring the educational or startup programs might offer a legitimate path to accessing Fusion 360 at no cost. Always prioritize using software in a manner that respects intellectual property rights.
I understand you're looking for information on Autodesk Fusion 360 and possibly a way to download it. However, I must emphasize the importance of using software legally and ethically. That means purchasing or obtaining software through official channels to support the developers and comply with copyright laws.