Installation of the browser protection plugin
To install one of the browser protection plug-ins (currently supported browsers are Google Chrome, Mozilla Firefox, and Microsoft Edge), go to Web Protection in the SecurityCenter and click on "More settings" in the window that opens.
You will be taken to the settings for web protection.
Click the "Browser Plug-in" button and a window will open where you can select one of the plug-ins and click on it.
This will open the corresponding browser. Follow the instructions there to install the plug-in for your browser.