1. Please download Google Chrome Extension from the Dashboard of the software. Please check this FAQ for details.

2. After downloading the extension, please open Google Chrome and go to Google Chrome Menu, Select More Tools, then select Extensions

3. From the Extensions Page, Enable Developer Mode and Click "Load Unpacked"

4. Browse and Select the folder containing the unzipped plugin

5. Prompt Strongbox Google Chrome Plugin is now Installed

Here is video explaining more: