Windows movie maker is free application designed by Microsoft . it is very basic application and simply edit and apply effect on video and picture.
This application is comes in windows 2000, windows xp professional and some version of Windows vista but it is not in the windows 7 or later
Windows movie maker is best editor software .Microsoft build many goof features into it make them simply to use anyone without any restriction
The main disadvantage of this application they cannot come in later version of windows. they comes only in windows x or before .