To access the Uchicago portal: https://www.overleaf.com/edu/uchicago

Links:
https://www.overleaf.com/learn/how-to/Overleaf_Accounts_and_Subscriptions
https://www.overleaf.com/learn/how-to/Institutional_Login
https://www.overleaf.com/learn/how-to/Joining_an_Overleaf_Commons_Subscription