To download and install the PTIntelliQuote plugin (extension), follow these instruction.
For Chrome, Edge, and other Chromium-based browsers
Open your browser and navigate to the Extension page by typing chrome ://extensions or edge://extensions into your address bar and pressing Enter.
In the top-right corner of the page, toggle the Developer mode switch to "On".
From the downloaded zip file, unzip or extract its contents to a folder. Then, click the Load unpacked button, locate the extension's folder, and click Select Folder:
After installation, a notice will appear when you restart browser about disabling developer-mode extensions. To keep the extension, click Keep or Cancel on the notification.
Pin the plugin for easy access
Click the puzzle-piece Extension icon to the right of your address bar.
Find your extension in the list.
Click the "pin" icon to make the extension visible on the toolbar.
Troubleshooting
If you are unable to add extensions, ensure you're not browsing in incognito mode or as a guest.