You don't need to locate anything, and the automatic addon detection will do all the work for you. After installing the app, it will track all versions of WoW (Retail, PTR, Beta), and you can update your addons with a single click of a button. WoWUp is an addon manager for World of Warcraft that currently works just for Windows, but they have a Mac app in the works as well.
With the Shadowlands pre-patch hitting live servers soon, you may be looking for convenient ways of keeping your addons up to date, so here are two addon managers that you may like.
