Open a web browser and go to the Spectrum account sign-in page
Sign in with your Spectrum username and password
Select the Services tab
Choose Internet
Select the WiFi network you want to change
Find the WiFi settings or network settings section
Enter a new WiFi password
Save or apply the changes
Reconnect all devices using the new password
If needed, restart your modem and router
If you cannot access the account, use the My Spectrum app or contact Spectrum support