If the button is NOT there: means you did not install the addons properly.If button is there: make sure all the addons you installed are listed and make sure “load out of date addons” is checked.At the Character Select screen, look in lower left corner for the “addons” button.Correct: \World of Warcraft\_classic_\Interface\AddOns\\.Correct: \World of Warcraft\_retail_\Interface\AddOns\\.
Drag and drop the folder extracted from the zip file into the " AddOns" folder.
(default is C:\Program Files\World of Warcraft\_retail_\) and/or _classic_ The fifth step is to move to the Addon folder. Install your WoW program using the proper installation path. You will find the install path under Folder Used for Gameplay The third step is to unzip the file, also known as ‘unzipping’ Do it simultaneously.You can find the install path by loading your Battle net launcher and click on the Bnet icon on the top left corner.That is where you are running WoW from and THAT is where you need to install your addons.