Installation:
just unpack the rar file into your Data directory of Fallout 4; There are two versions:
- Standard Edition: is just sounds files and theres no plugins inside
- Extended Edition: includes a plugin for certain events like the nuke scene of the PreWar Sanctuary or the custom Tranzit ambient music for the Glowing Sea
PS: as far as im aware you can install it with your favorite Mod Manager Software

Unistall: just delete all the CZSR related files manually or uninstall it with your Mod Manager

Extras:
there will be 2 optional plugins (Spanish and English versions) that buffs some of the stats of the Alien Blaster for more details check the Alien Blaster section on the Details below

--- Details ---
changes some of the sounds of Fallout 4 for some Music and effects features in the Call of Duty Zombies maps (Treyarch)
The changes i made to the game are:

Level Up: 
- Level up Sounds -> Classic round end sound 
- Level up Sounds on Perks Poster Menu -> Mob of the Dead, Nuketown and Shi no Numa (Black Ops 1) Load Screens music

New Location Discovered (Generic) -> Classic round start sound

Nuke Scene at Pre-War Sanctuary Hills -> "The End is near"(Shortened): The music that plays when you complete the Moon easter egg in Black Ops 3
includes an esp file to play one track instead of two

Alien Blaster:
Fire -> Ray Gun Mk II
Reload -> Ray Gun Mk I
(Optional) includes and ESP file that changes some values of the Alien Blaster
Name: "Alien Blasterm" -> "Ray Gun Mark II"
AP cost: 20 -> 10
Damage: 50 -> 200
Ammo Name: "Alien Blaster Round" -> "115 Fusion Cell"

Music when player dies:
Standard -> Vanilla Sounds: Moon Game over (2 shortened versions).
Extended ->  includes an ESP that increases the delay between the players death and the last save auto load from 3 seconds to 12. The dead souns are the game over songs from Moon, Kino Der Toten and Ascension

Legendary items pick up sounds -> special sound when you get the raygun from the box.

Main Menu Theme: Damned 3 from black Ops 3

Quests:
New Quest -> Ascension (Black Ops 3) round start
Failed Normal Quest -> Nuketown Zombies distorted bells
Faction Quest (Completed):
Minutemen -> Der Eisendrache round end sounds.
Brotherhood -> Gorod Krovi round end sounds.
Railroad -> Shadows of Evil round end sounds.
Institute -> Moon (Black Ops 3) round end sound(1 track).

Glowing Sea
includes an ESP to play 4 tracks, 3 of them are shortened versions of the ambient sound of Tranzit adn the 4th is "Lovesong for the Dmaned" aka Tranzit Load Screen sound