For this FoxyProxy guide we assume that you have Mozilla Firefox installed.
Click the “Add” button on the left side of the screen.
Find shared datacenter proxies endpoints (alo knows as: IP addresses/domain/URL) and ports here.
click “Save”
Reach the dropdown menu and click on it and select the profiles you want to enable.
You can also enable the profiles through the FoxyProxy button next to the toolbar. FoxyProxy will now display a shortened version of the profile name above the icon.