Adobe InDesign is a layout and design tool. It can be used to create brochures, flyers, posters, magazines, presentations, etc. Adobe created a guide to help users learn InDesign.
The following videos on LinkedInLearning can be used to learn how to use InDesign! Be sure to select the training for the version of InDesign you have.
The SP@RC lab in Fenwick library offers computers with InDesign. Also look for InDesign workshops hosted by SP@RC on the library page.