I have heard from a lot of players that someone can play with numbers too, how can i use it too?

I have heard from a lot of players that someone can play with numbers too, how can i use it too?

 

Probably you mean the enter chat from the options istead of F1, F2, F3, and etc.

He totally means that. I always play with enter chat and istead of F1 , F2 , F3 etc etc... i use the numbers "1" , "2" , "3" etc etc...

all you need to do is to "tick" the "enter Chat" on game options.

Here is a screen!! ~~~~>  http://postimg.org/image/dvi0i0vnr/