Addons for the 3.0 patch releaseIf you wish to save your current addons folder, copy and paste the one currently in your Interface folder (directions to get there are below) to your desired location (your desktop for example) before continuing further.
1. Save AddOns.zip to your desktop.
2. Double click AddOns.zip on your desktop to open it.
3. Open your World of Warcraft folder.
4. Open the Interface folder.
5. Switch back to the AddOns.zip filder and copy the Addons folder.
6. Paste the folder inside the Interface folder, and replace the one that is currently there.
7. Restart World of Warcraft completely.