If your browser window is sufficiently narrow or you are using a browser on a mobile device the icon may not include the "Guest" text and instead just have the silhouette person icon:
Click the Guest button and then click Login:
The "UW-Madison Login" page will display. Log in with your NetID and password. If you are already logged into another campus resource it may auto log you in.
You will know your login attempt was successful when your name appears in the upper-right corner, instead of the word "GUEST".