Learn how to draw a Mickey mouse on your computer using MS Paint in simple steps. Use the oval tool and draw two medium size circles leaving some space between the other. Now draw a bigger circle by making its top ends meeting the other two circles. Draw two little circle inside the bigger circle for the eyes and draw another circle below the eyes for the nose. Make a curve joining the two eyes and draw its mouth below the nose as shown in the video. Finally draw some hair and give the coloring to finish.