This will teach you how to make a green-screen effect with iMovie, a free software package bundled with Macs.
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Step #1:
Next
- Open iMovie.
- Make a new project.
Step #2:
Next
- Open Preferences and select Show Advanced Tools
- This will allow you to use the green/blue screen effect.
Step #3:
Next


- Now, take some footage in front of the green (or blue) screen. Try to keep the screen and subject evenly lighted.
- Also, choose the photo or video for the background.
Step #4:
Next


- First, drag the background image/video.
- Then, drag the green-screen video on top.
- Select either green or blue screen, depending on what you used.
- You can drag the green-screen footage depending on where you want it to start.
Step #5:

- You are now done with the Green Screen w/ iMovie tutorial. Happy moviemaking!