Open a picture in Enhancer.
Make editing changes as required.
To reverse an action, click the Undo button 
.
To redo the last reverse action, click the Redo button 
.
The redo feature gives you an opportunity to restore edits that were recently undone. Enhancer allows you to redo the last editing change only. Once you save the image, the edit stored in memory is lost and the redo feature will not work.
Open a picture in Enhancer.
Make editing changes as required.
To reverse an action, click the Undo button .
To redo the last reverse action, click the Redo button .