MGI lessons require MS PowerPoint. If you don't have PowerPoint, click here to download the viewer. Getting Started Select an MGI lesson by clicking on one of the red links at left. You will see a prompt to save the file. Select a location on your hard disk to save the lesson. Locate the file on your hard disk and double- click to open. Press F5 to begin. Special Features MGI Lessons are designed for both Teacher training and in-class use. MGI Lesson Screens with BLUE backgrounds are for both Teacher training and in-class use with students. MGI Lesson Screens with GREY backgrounds are for Teacher training only and can be skipped when working with students.   close window