How to install Another Meth Lab addon?

Hi guys!
Im trying to install addon Another Meth Lab and its just doesnt work. Can someone explain me straight how to install this addon?Im really confused right now because i did all with the instruction below the addon on gmod store. Oh and i installed earlier an addon for money printer as same as i installed Another Meth Lab addon. Printers worked but not Another Meth Lab
Thx for help, regards

Just drag and drop to your addons folder and make sure the config file works with your other addons