Right-click the new HaloExe file and select Run as Administrator to ensure it has the necessary permissions to write to your system folders.
It executes the game instructions, handles inputs, and manages the game engine. haloexe file download work
Inside that folder you should also see:
Open the folder and run halocesetup_en_1.00.exe (or setup.exe ). Right-click the new HaloExe file and select Run