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1. Launch the game at least once and configure the controls.
2. Go to "\Documents\My Games\Gears of War for Windows\WarGame\Config"
3. Open "WarInput.ini"
4. Go to [WarfareGame.WarPlayerInput] section.
5. Find this line: Bindings=(Name="Game_Target",Command="ButtonPress L2 | OnRelease ButtonRelease L2",Control=False,Shift=False,Alt=False)
6. Replace it with this: Bindings=(Name="Game_Target",Command="ButtonPress L2 | SetBind RightMouseButton Game_TargetOff",Control=False,Shift=False,Alt=False)
7. now add/write this under the line you replaced. Bindings=(Name="Game_TargetOff",Command="ButtonRelease L2 | SetBind RightMouseButton Game_Target",Control=False,Shift=False,Alt=False)
8. Save the file.

Optional:

• If intending to use a different button, replace RightMouseButton with an alternative keybind.

Optional If You're Lazy

• Alternatively you can download my file in the resources tab