If you are looking for free professional-grade CAD software for personal, non-commercial use, (formerly Fusion 360) is the successor to the traditional Inventor workflow for hobbyists.
. However, version 2015 has largely been phased out in favour of more recent releases like Autodesk Inventor Professional 2025 Perpetual Licenses: autodesk inventor professional 2015 free download top
Since you cannot legally get Inventor 2015 for free, here is how to get the modern equivalent: If you are looking for free professional-grade CAD
Before diving into the "free download" aspect, it is essential to understand why this specific version remains popular in search queries. autodesk inventor professional 2015 free download top