Who would use this? Faculty (often) and Students (for presentations once in a while)
What is it? A tool like PowerPoint or Google Slides to create slide decks that provide a visual complement to lectures/instructional time/presentations.
Where can I find this stuff? Power Point is found under Microsoft Office in your start menu (on Fleming computers), Google Slides is here,
Why should I use it? A slide deck can be used to help organize the structure of a lesson, to share instructions for activities or even just to provide something pretty to look at while you think and stuff. Have look at this page: You Are The Presentation for some fun thoughts and ideas on presentations.