Set up a proxy in Firefox
1
Install Firefox
Download Firefox. If you already have the browser installed and ready, go straight to the next step.

2
Open Settings
Navigate to the three-line menu in the upper right corner of Firefox and click Settings.

3
Open Network Settings
Click General, scroll down to the Network Settings section, and click Settings.

4
Configure the proxy manually
Select Manual proxy configuration, add the host and port as in the example below, and check Also use this proxy for HTTPS.
Use an HTTP proxy. The Also use this proxy for HTTPS checkbox routes your HTTPS browsing through that same HTTP proxy.

5
Sign in and check your IP
To visit any website, input your proxy user credentials and click sign in. After signing in, visit MaxMind to check whether the location changed, or follow Test your proxies.
