Source Code darktable-3.6.1.tar.xz Windows darktable-3.6.1-win64.exe
Linux/Unix Binary Packages From Your Package Manager If your unix-like operating system is capable of running a graphical session, darktable is likely available. Check your package manager or software center.
OBS The OBS allows packagers to provide packages for multiple Linux distributions.
Right now this means for the stable package:
Debian 9, 10, Next aka Testing Fedora 29, 30, 31, Rawhide openSUSE 15.