Once you have finished the above step with the loader, proceed to open the game and when you reach the game lobby / warzone or multiplayer, press the BUTTON F5 one time to begin the injection to the game. (Press F5 INGAME, NOT AT THE LOADER COMMAND PROMPT).
The menu should appear to you on the left side of the screen.
Operate with it the button DELETE to open/close it and clicking on the options to customize to your liking.