Opening the menu

Open it

Make sure SteelSeries GG is still open, then press:

ALT + S

The menu draws over the game through the SteelSeries overlay.

If nothing happens

Open SteelSeries GG settings and enable Start Desktop Capture. The overlay has nothing to draw onto until desktop capture is active, so the cheat is injected and running but invisible.

That one setting accounts for most "it did not work" reports. If it is already enabled and you still see nothing, go to The menu does not open.

Changing the keybind

The menu keybind is configurable from within the menu itself, under Settings. Pick something you will not hit by accident mid fight.