- Download the latest release of the extension https://github.com/Arisamiga/ADTerminator/releases

- Extract the zip file.

- Go and Enable extension developer mode in your browser on:
  chrome://extensions/

- Click "Load unpacked"

- Navigate and select the extracted zip file

ADTerminator should now be displayed as an installed extension on your extensions.

To Pin the extension on your tab to see the panel

- Click the extension icon on the top right
- Find ADTerminator and click the pin icon