1. Determine the IP address of the current router

Before you change the IP address of your router, you first need to clarify the current IP address of your router. Usually, you can check it in the router's setup interface or by using a command line tool.

If you are using Windows operating system, you can view the current network configuration information by typing the command "ipconfig" in the command prompt, where the gateway address is the IP address of your router.

If you are using a Mac or Linux system, you can use the terminal command "ifconfig" or "ip route" to check the IP address of the router.

2. Log in to the router management interface

Once you have obtained the router's IP address, you can log in to the router's management interface through your browser.

Usually, you can enter the router's IP address in the browser, and then enter the administrator username and password to enter the router's setup interface. Generally, the default administrator username and password is "admin", but it may be different, you can refer to the router's manual or search for the corresponding information on the Internet.

3. Changing the router IP address

In the router's management interface, you can find the option of Network Settings or LAN Settings, where you can usually find the router's IP address settings. In this page, you can change the IP address of the router to the new address you want, make sure the new address will not conflict with other devices. Once the change is complete, remember to save the settings and reboot the router for the new IP address to take effect.