To change your DNS server, follow these steps:

1. Find Your To-be DNS IP Address: Find out the IP address of the DNS that you want to use, and save it for later.
2. Access Your Router Settings: Access the router settings page to make the necessary changes.
3. Change the DNS Settings: Select the option to change the DNS settings, enter the information provided by the new DNS, and then save the new settings.
4. Reconnect to the Network: Once changes are saved, you will need to reconnect to the network for the changes to take effect.