You can't, as Movie Maker is too basic. You'll need Vegas Pro or Premiere Pro or something like them. They are wrong >.< just youtube it. or google chroma key WMM (windows movie maker you will find it trust me)
Colorblind - Chroma Key song - was created in 1999.
To use chroma key in Sony Vegas Pro 13, first import your video footage with a green or blue background. Then, add the Chroma Keyer effect to the video clip. Adjust the settings to key out the green or blue background, leaving only the subject. Fine-tune the settings as needed to achieve the desired effect.
To use chroma key in Sony Vegas for video editing, first import your video footage with a solid colored background. Then, add the chroma key effect to the video clip and select the color you want to remove. Adjust the settings to fine-tune the keying process and make the background transparent. Finally, overlay the keyed video clip onto a new background to complete the effect.
Chroma key is an effect used to layer two images or video streams together based on color. The green screen that an actor stands in front of is an example of this.
wax 2.0
Click on the link posted in the Related Links section below. It is a site offering free video chroma key and effects editor.
You can purchase chroma key software for video production online from the Tube Tape website. Alternatively, you can also find this software available from Amazon.
Try Rehanfx.
Try rehanfx.org
Final Cut Express 4 has a Chroma Keyer Identical to the one in Final Cut Pro, Final Cut Express also has other Keyers like Color Key, Luma Key, Difference matte and a host of others.
Newton's Apple - 1983 Bridges Earthquakes Chroma-Key Grizzly Bear 12-13 was released on: USA: 7 January 1995