We strongly recommend that you buy the game so you can support the developershttps://store.steampowered.com/app/1078920/Main_Assembly/
WHAT IS MAIN ASSEMBLY
Build robots with revolutionary free-form crafting tools and control them through powerful visual programming. Overcome solo challenges or play with your friends in multiplayer. Featuring advanced physics like aerodynamics and robot destruction!
HOW DO I INSTALL MAIN ASSEMBLY ?
1. Click the green UploadHub button and you should be redirected to the Download.
2. Once MAIN ASSEMBLY is finished downloading, extract the .rar file. (You will need WinRar, you can get it here
3. Once its extracted, go into the games folder and right click the game and run it as administrator and Enjoy!