Download the v4 update and place the LittleBratDara_v4 folder directly into your game’s Mods directory (typically .../SteamLibrary/steamapps/common/7 Days To Die/Mods ).
While specific changelogs are often gated behind developer platforms, "V4" (or Update 4) generally signifies: little+brat+dara+v4+bottomalltheway+upd