Open Advanced X Video Converter. Click the Add Task button
on the main window.
Select Convert Video to Pictures in the Task window. Click
the Next button.
Click the Open button to select a video file that you want
to extract images from.
Set
capturing how many pictures per second. Click
the Browse button to select a folder to save the output pictures.
You
could also restrict the range within which the video is converted
to pictures by sliding the right and the left arrow.
Click the Convert Now! button.
Set
capturing how many pictures per second.
Click
the Browse button to select a folder to save the output pictures.
You
could also restrict the range within which the video is converted
to pictures by sliding the right and the left arrow. 
Click the Convert Now! button.