The Linksys router login IP is: http://192.168.1.1
Visit that IP address in your web browser to access the login page. If this page prompts you for an email address, select "For local access, click here" first to access the password-only login form.
If you're having problems logging into your Linksys router, post in the comments section below and I'll do my best to help you out!
Average response time: Less than 1 day.