UltraSurf is freeware that can be used with Internet Explorer and Firefox. It gives you the ability to browse the Internet anonymously and securely by hiding your IP address behind the proxies it provides. With UltraSurf, you also get to overcome any Internet restrictions hindering your browsing freedom. When using UltraSurf, the software is set to work on "Auto-Detect Proxy" mode by default; however, if you want to use UltraSurf in "Manual Proxy Setting" mode to add your preferred proxy, you can swiftly set up a proxy in UltraSurf by editing the web browser's proxy settings.
Launch Internet Explorer, click the "Tools" menu and click on "Internet Options."
Click on the "Connections" tab and click on the "LAN settings" tab at the bottom of the window.
Click on the check box displayed below the heading that reads "Proxy server," next to "Use a proxy server for your LAN." Type "127.0.0.1", or the proxy address you want to use, in the text box located next to "Address" and type "9666" in the text field next to "Port." Click the "OK" tab and click "OK" again to close the window and save the changes.
Launch Firefox, click on the "Tools" menu and click on "Options."
Click on the "Advanced" tab and click on the "Network" tab.
Click on the "Settings" tab next to "Configure how Firefox connects to the Internet." Click on the check box next to "Manual proxy configuration."
Type "127.0.0.1", or the proxy you want to use, in the text field located next to "HTTP proxy" and then type "9666" in the text box next to "Port."