Put Snowbound in C:\Program Files (x86)\Steam\steamapps\common\Halo The Master Chief Collection\halo3\maps
Put The firefight mvar in C:\Program Files (x86)\Steam\steamapps\common\Halo The Master Chief Collection\halo3\map_variants
Put the dll in C:\Program Files (x86)\Steam\steamapps\common\Halo The Master Chief Collection\halo3
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