How do I install and uninstall mods / mutators?
If the mod/mutator has the file extension UMOD. To install the mutator, just double-click on the mutator file and it will auto-start an installation program. When asked for the directory to install, choose your Unreal base directory Unreal, not the Unreal\system directory. After you have installed the umod, you can activate the mod by the console command. To uninstall, you have to remove the files manually. 6 Gameplay 6.