In game unplayable lag

[marco3521]

i purchased the game like 2 days ago and i cant play, i explain my self better and excuse for my english, when i purchased the game i started to put mods (in the correct order) after thet when i finished and started a nwìew world the menu where you chose where to land was lagging and the game too (like 1 frame every 3sec) strange thing for my computer that is a medium-high one after that i changed mods place the mods in different orders for like 2h but nothing , the problem remain so i tried to play it without mods unistalling all the mods but the same problem so i unistalled the game and deleted the Ludeon studios folder too (in %appdata%), reistalled and the same problem occur, next i have done this thing a lot of times and find a way to stop the lag installing the 1.0 version and then re istall the 1.1 but the problem return in 30 min i dont know how to resolve the only thing  is that anytime the game crash with unity crash handler p.s. all my drivers are updated pls help i am frustrated i cant play the game i just purchased for 30$