Installation
Extensions installed as unpacked aren't updated automatically. To update the extension you should download it and install as unpacked again.
Download the extension by clicking here
Here is a short guide how to install an unpacked extension on Google Chrome or Chromium-based browsers (e.g. Opera, Vivaldi).
-
Unzip the download file using any utility.
-
Open the "Extensions" page (chrome://extensions/) in the browser and turn on the "Developer mode".
- Click on the "Load unpacked" button and select the directory recently created after unzipping.
This guide was taken from here