how do i install custom content packs such as mayann

[Mr.Lol]

i want use mayann project props and textures, downloaded it from official site, and when i opened a zoo vmf every single model has an error model, where i need to install props?

 

[theatreTECHIE]

Usually custom assets go into your tf/custom folder, similar to the custom props that I have for Frontline and Japan here: