You might know that this game has numerous versions to. If you want to exclude specific addons from updating, you'll need to click the ellipsis on the far-right of the addon row and select 'Unreconcile'. Then, you need to extract the addon in your Classic WoW folder, which will look something like this: How to Install Addons in WoW Classic Installing addons. Then you have to opt for downloading the Warcraft Addons, the versions which you want to download.
You can use the search box at the top of the window to install new addons, although you'll need to know the name of the addon you're after to get accurate results. When all this is finished, you'll be presented with a list of your installed addons. You can either automate this or check each addon individually. You may be prompted to reinstall some addons that the manager is unsure of. Once done, Instawow will attempt to pair your addons to their relevant sources.
When you first launch Instawow, you'll be prompted to enter a profile name for your addons, after which you'll need to browse to your addon folder to link it. That said, it functions just as well as the other managers on this list once set up. Requiring a couple of steps to install and configure, Instawow is probably the least intuitive of these addon managers to use. How to Install World of Warcraft AddOns in 3 Easy Steps Before you get started, be sure you have downloaded WowMatrix.
