Specific steps

Open a picture, I use the web version, but it is the same as the software version.

Then click "Animation"

Click the left button to move the picture, so that the two crosses in the picture below are in positive contrast with the eyes of the characters in the picture.

Next, select a hairstyle and click Change.

Finally, click Make Expression to generate an animated big head expression.

If you don't like it, you can also click on the page to find your favorite animated big-headed expression, or you can choose your favorite expression classification on the right.