To change billing information with People PC, you will typically need to access your account settings through the People PC website. First, log in to your account using your username and password. Once you are logged in, navigate to the account management or billing section. Here, you should be able to find an option that allows you to update your billing details, such as credit card information or billing address. Make sure to enter the new information accurately and save the changes before exiting the webpage. It is important to review your billing information regularly to ensure that it is up to date, especially prior to the billing cycle. If you encounter any difficulty accessing or modifying your billing information, the People PC website is a good resource for detailed instructions or additional assistance.