How to install:
If your system is 64-bit then drop the VPK(s) you want to use in:
C:\Program Files (x86)\Steam\steamapps\common\Team Fortress 2\tf\custom\
If your system is 32-bit (if you have only one program files folder), then rop the VPK(s) you want to use in:
C:\Program Files\Steam\steamapps\common\Team Fortress 2\tf\custom\
If you choose to use the All in one VPKs then only use one at the time!