Step 1：

Download and install Firefox browser：

http://www.firefox.com.cn/?p=PIA

Step 2：

Add proxy settings

1. After selecting the country, continent, and city, click the "Refresh" button, and then right-click to select the proxy IP and port

2.Then click the port forwarding list below and copy the port number you just selected

Step 3：

Add proxy settings

Open Firefox browser > Menu > Settings > Network Module > Settings > Manual Settings > IP+Port > socks v5 DNS > OK

1.Open the browser, click "Menu bar" - "Settings" in the upper right corner.

2.Find the "Network Settings" module in the dialog box and click "Settings".

3.Select "Manual Settings" and fill in the obtained proxy IP address and port in the dialog box.

4.Check "Proxy DNS when using socks v5" and confirm.

5. After completing the above steps, the proxy is successful.