Instructions
Open your Internet browser, navigate to the Curse website, and then click ̶0;Client̶1; from the menu.
Click the ̶0;Download for Mac̶1; button to download and install the Curse client for ̶0;World of Warcraft: Cataclysm.̶1;
Sign up for a free account at the Curse website, and then log in to the client with your Curse account.
Click ̶0;Add Game̶1; if the client does not automatically detect your ̶0;World of Warcraft̶1; installation. Navigate to your ̶0;World of Warcraft̶1; folder, and then click ̶0;OK̶1; to add it to the client.
Click ̶0;Get More Addons̶1; to see a list of add-ons that are compatible to your game.
Highlight the add-on, and then click ̶0;Install̶1; to download and install to the ̶0;World of Warcraft.̶1; You will see the download and installation progress in the viewer. Once the download is complete, you can use the add-on in your ̶0;World of Warcraft: Cataclysm̶1; game.