Binaries are compiled for 4.25, and will work on Blueprint and C++ projects.If you are using a different version of Unreal Engine 4, you will need to recompile the plugin.
Redistribution note
Our ladder movement code and sprinting speed logic is game specific and is not publicly redistributed at this time.
Create a Blueprint child class of PBPlayerCharacter.
Create a gamemode with Default Pawn set to your Blueprint character class, and Player Controller set to your player controller.
Enjoy the movement!
You may also want to use HL2 gravity settings. Go to Settings > Project Settings > Engine > Physics > Constants > Default Gravity Z and set it to -1143.