Make sure to first have SuperBLT, and CustomOST installed. Click the links in the dependency list.
Optional video tutorial for installing SuperBLT, BeardLib, and mod_overrides mods: https://youtu.be/rin_sjSJIkg
mods\CustomOSTTracks
Obviusly needs superblt and the custom ost mod
Installation : unzip the rar. and move the file to the 'CustomOSTTracks ' folder which is usually in the Payday 2 local files
done