for some reason i can't type this slash " / " in-game , to use /em for example.

i can only type this \.

maybe i think its because the keyboard language,,.. mine is in spanish

try pressing shift and 7 together. (the numpad one doesn't work for me either)

thanks, i ve tried it and still doesnt work..

please i need help! i need that to set the shaders...

Shift 3.

You can add 'English-US' as a second language in Windows, and when you use toribash switch to it.