Demo version of Mech Engineer up to update 36. Without main objective and special maps.
Patched*
zip archive with ready to launch game files
Saves and paints files location.
C:\Users\USERNAME\AppData\Local\Mech_Engineer
Small tips:
"SHIFT+LMB" will instantly move component to the empty slot.
"double LMB" will​ instantly launch research if you have enough scientists