Start with the Help articles:
https://proconnect.intuit.com/community/corporation/help/how-to-enter-forgiven-ppp-loans-in-lacerte/...
https://proconnect.intuit.com/community/diagnostics/help/how-to-apply-california-ppp-and-eidl-confor...
You have clicked a link to a site outside of the ProConnect Community. By clicking "Continue", you will leave the Community and be taken to that site instead.