my ksp closes for no reason

[VGSP]

i am brazilian so sorry for my bad english

i got ksp 1.2.2 recently and when i tried to put the graphics on max and clicked in apply the game stayed loading for hours,

so i restart the game and tried to play with defaut settings, and my pc run it very good but when i was making a prototype of a reusable rocket, the game closed with no windows  saying that the game crashed

and i don´t use mods

info from my hardware

OS: windows 10 pro 32 but i will install a 64 bit system

 processor: intel core i5 2.60 GHZ

RAM: 8gb ram (2.89 usable)

[Curveball Anders]

You're hitting the 32 bit OS hard limit.

No other option than upgrade to 64bit (it's the same license).