some one told me you chainge the setting in you key's from spacebar for jumping to shilft-key i try it did not work for me.even got told to use you mouse key on left for double click this is a lot of them did the firing key on the mouse make a note its really hard for them to kill you but also it a bet hard to kill other's too.to me its a bet on brolder line of cheating you should play it stander setting as it bent to be
you can set any thing to setting on the keys sample scope in is ' you like to use insert-key thats ok but this double jumping is a bet lam don't be one of them ok.
have a great time