Select "Accounts" tab in the top right corner of the library homepage and then select the "Catalog" option. 

For current UNT students, faculty, and staff, enter your EUID and password to the section on the left. Leave every other box blank. 

For courtesy card holders, enter your Name, Card ID number, and Pin into the "Visitors" section on the right. If you are a first time user, leave the Pin section blank to create a pin.

Once logged in, you can view and renew your checked-out items by checking individual items and then "Renew Marked" or select "Renew All" to renew all eligible items.