IF THIS IS YOUR FIRST FALLOUT 4 MOD:

you will need to take some extra steps in order to get this mod working completely.

Please Google how to do this because I'm too lazy to explain it here.
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IF THIS IS NOT YOUR FIRST FALLOUT 4 MOD:

Extract or drag and drop "Sound" into the following directory:
"(DriveLetter):\Steam\steamapps\common\Fallout 4\Data\"

If a prompt pops up asking you to overwrite any folders or files, click "Yes to All"