In most cases this is located in C:/Program File (x86)/World of Warcraft/_Classic_/Interface/AddOns.
Ideally, you should extract them directly to the WoW Classic Addons folder.
Choose where to extract the files too.zip file and press the “extract all files” button at the top of the window near the center. By default it should be in your Downloads directory unless you chose a different location. zip file), navigate to wherever you downloaded it. Once you’ve downloaded your chosen addon (it’ll come as a.How To Install Wow Classic Addons Installing Wow Classic Addons on PC In this guide, we’re going to discuss how to install add-ons on PC and Mac and go over the best Classic WoW addons available for you today. And, that’s where Wow Classic addons come into play. It wasn’t until loading up World of Warcraft Classic that I realized how much the game has evolved, and there’s plenty to be said about going back to a vanilla user interface after all these years. World of Warcraft has been around for a long time, and it was a real treat when Blizzard released WoW Classic.