How to replace front bumper cover

Steve, you haven't given us any information on your particular car, notably the year and submodel information so I can't point you to the exact correct shop manual for yours, but this page is for a 2022 SE 4 door sedan.

Removal (06/2018 - 09/2022): Procedure — 2022 Toyota Corolla SE, 4D Sedan, Automatic CVT Trans Service Manual ~ LEMON Manuals

It may or may not be the same for your Corolla, so you should note the links to get to that particular page then go back to the Toyota page and follow the links for the applicable year, model, engine, etc. of your car. That'll get you to the pages that will be correct for yours.