Isn't there a off that requires 32 bit windows and 2 gb rams ? >>>> (w/o geodata)

If you want to run a C1 server...

 

 

yes, here on maxcheaters

 

c2-ct2 clients supported up to h5

But remember that its client connection like smeli says, no features like olympiad, or instance dungeons, you need to code this by yourself.