Before we start setting up, we need to understand some related concepts. Proxy IP refers to connecting to the Internet through a proxy server to hide your real IP address. ISPKEY proxy server is a server that can forward network requests. It can modify the IP address in the request header during the forwarding process to realize the function of proxy IP. Before setting up the proxy IP of IE browser, we need to find an available proxy server first.

After finding an available proxy server, we need to follow the steps below to set up the proxy IP of IE browser:

1. Open IE browser, click the "Tools" button in the upper right corner, and select "Internet Options" in the drop-down menu.

2. In the pop-up "Internet Options" window, select the "Connections" tab, and then click the "LAN Settings" button.

3. In the pop-up "LAN Settings" window, check "Use a proxy server for LAN (these settings will not apply to dial-up or VPN links)", and then enter the address and port number of the proxy server.

4. Click the "OK" button to complete the setting.

It should be noted that the address and port number of the proxy server need to be set according to your actual needs. If you don't know how to get the proxy server address and port number, you can search for keywords such as "free proxy server" or "online proxy server" on the Internet to find some available proxy server addresses and port numbers. However, it should be noted that free proxy servers may not be stable and secure enough, and it is recommended to use paid proxy servers.

In addition to the above steps, there are some other things to note:

1. When using a proxy server, you need to pay attention to the stability, speed and security of the proxy server. If the proxy server is too slow or often has problems, it will affect the network connection experience.

2. When using a proxy server, you need to pay attention to your privacy protection. Do not use untrusted proxy servers to avoid leaking your personal information and privacy.

3. If you encounter problems when using IE browser, you can try restarting the browser or computer to solve possible software problems. If the problem persists, you can try using another browser or contact technical support to solve the problem.

In short, setting the proxy IP of IE browser is a relatively simple task. You only need to follow the above steps. But you need to pay attention to some details to ensure the stability and security of the network connection. I hope this article can help you complete the setup process smoothly.