To change your Charter Spectrum WiFi password, you can follow these steps:

1. Connect to your WiFi network.
2. Open a web browser and type your router’s IP address into the address bar.
3. Enter your router’s username and password.
4. Look through the menu options for an option to edit your WiFi network. The name of the network may be labeled with SSID, Gateway name, or Wireless Network.
5. The password field will probably be labeled WPA Pre-Shared Key. Once you find it, create a new WiFi password and save the changes.
6. Alternatively, go to your router’s settings menu and look for the Change Password option or something similar.
7. Enter the new password and save the new settings.