: SketchBook Designer 2013 was built for Mac OS X 10.6 or higher . It will not run natively on modern Apple Silicon Macs (M1, M2, M3, M4 chips) or recent versions of macOS due to the removal of 32-bit application support.
Since Autodesk has completely transitioned away from this product, here are the best official and safe alternatives available for Mac today: 1. The New Sketchbook Pro (by Sketchbook, Inc.) autodesk sketchbook designer 2013 mac osx free
Autodesk SketchBook Designer 2013 for Mac OS X: What It Is, Where It Stands, and Free Alternatives : SketchBook Designer 2013 was built for Mac OS X 10