Installation:

Extract the three included files (.pak, .utoc, .ucas) to the following path. If the folder "~mods" doesn't exist, create one. The '~' is necessary.

Steam: ...\S.T.A.L.K.E.R. 2 Heart of Chornobyl\Stalker2\Content\Paks\~mods
Gamepass: ...\S.T.A.L.K.E.R. 2 Heart of Chornobyl (Windows)\Content\Stalker2\Content\Paks\~mods

<3 petey