Installation:
Pick which folder you want depending on which hat you want to replace.
Then drag and drop(or copy and paste) the TF folder into your "whereveryouinstalledsteam/steamapps/YOURsteamnamehere/Team Fortress 2
Use:
Do whatever you want with it(which I doubt you will since you needed to download this to make it happen),
 just give me credit for the first/original edit; Campin Carl at FPSBanana.com