You can use PatcherGUI to apply a "Developer Console Activation" patch (often found as a .txt file on Nexus Mods) to your game. Essential Console Commands
Once enabled, these commands can drastically alter your campaign: Dev Console (Long War) - UFOpaedia xcom enemy within dev console full
Search for [Engine.PlayerInput] and add your bind there. You can use PatcherGUI to apply a "Developer