FoxyProxy is a Firefox extension for managing and switching between multiple proxy configurations directly from the browser toolbar.
Note your current public IP at cual-es-mi-ip.net before installing.
Install from: addons.mozilla.org β FoxyProxy Standard
service tor start
In FoxyProxy β Add:
Enable by toggling to ON. Verify IP change at cual-es-mi-ip.net.
Get proxy lists at: hidemy.name/es/proxy-list/
In FoxyProxy β Add: set Type (HTTP or SOCKS), IP and Port from the selected proxy. Enable one at a time and verify the assigned IP.