Use MCC Mod Loader: https://www.nexusmods.com/halothemasterchiefcollection/mods/185

///////////////INSTALLATION INSTRUCTIONS

DO NOT UNZIP

1.In your Mod Loader directory, put the ZIP file into the /modpacks folder

2. Enable in MCC Mod Manager.

3. Launch MCC with EAC disabled

4. Enable the skull in campaign settings

5. Enjoy flying around!