Oh damn, my brain failed me, after reading your answer it was instantly clear, thank you!

Hi guys, I'm having troubles to even activating the mod. I downloaded version 0.3.1 and placed it in C:/Users/%USERNAME%/AppData/Roaming/Factorio/mods I use the steam version and have activated the 0.17.x latest beta branch but when I open factorio and go to mods, I can see all my mods except for th...