Need help installing admin tool!

[HornyMushroom]

Im trying to install BluePhoenix175 admin tool, but i dont understand anything at all! it says something like i need to install it inside mission.pbo but i dont know how i do it or where the file is? Please help me! i know you will help alot of other people if you make like a youtube tutorial. Here is the link i use: https://github.com/BluePhoenix175/DayZ-Admin-Tools-

Thank you!