2. Repeat steps 2 and 3 from previous section, i.e go into System >> Add-ons >> Install from zip file. Then, navigate into the location where you’ve downloaded the Zip file and click on it to install!
Make sure you choose the repository zip file this time.
3. Lastly, after installing the repository file, exit the navigation pane by clicking the X to the top left of it (or by pressing return button on a remote).
Now go into Install from repository > Unofficial Quasar Repo > Program add-ons and select the providers you wish to install.
Now you can go into VIDEOS >> Add-ons >> Quasar and use it.
Note, you may need restart Kodi prior to first addon run.