Installation instructions:

For materials:
copy the "tf" folder to
"C:\Program Files\Steam\SteamApps\(your name here)\team fortress 2"

For the model:
look in the "model is in here" folder, pick which hat you want to replace,
find the corresponding folder for that model, look inside and copy the "tf" folder to
"C:\Program Files\Steam\SteamApps\(your name here)\team fortress 2"


If it asks to overwrite click yes.