Tinderbox runs on all modern Macintosh computers.
From v9.5.0+, Tinderbox requires macOS 11 (Big Sur) or later.
Tinderbox v9.0.0 runs on macOS Big Sur (11.x), Catalina (10.15) and Mojave (10.14) and High Sierra (10.13).
For Sierra (10.12), El Capitan (10.11) and Yosemite (10.10), use Tinderbox 8.5.
Note that not all features run old the older supported OS versions, especially those using AI and Machine Learning techniques. There is a list of such features.
See also—notes linking to here: