To edit existing proxy settings or to create new ones, go to the Proxy settings menu.

To specify proxy settings check Enable proxy.

In the URL  box type the IP address  of the proxy server.

In the Port box type the port number that is used by the proxy server for client connections.

If proxy server needs authentication, check Authentication and fill Login and Password.

To check connection to the proxy server, type proper server url to URL box and press Test connection button.

Please be aware that the use of proxy servers without the express permission from the owner of the proxy server may be illegal in some states and/or countries. Use at your own risk.