Apply filters: Click Filters to display filters you can apply to change the look of your photo. For more information about applying filters, see to have the color and contrast of your photo adjusted automatically. To remove the changes, press Command-Z or click Revert to Original.
To stop editing, click Done or press Return.
While you’re editing a photo, you can press the arrow keys to switch to other photos.
To create different versions of a photo, you duplicate it and work on the copy.
Select the photo you want to copy.
Choose Image > Duplicate [number] Photos (or press Command-D).
If you’re duplicating a Live Photo, click Duplicate to include the video portion, or Duplicate as Still Photo to include just the still image.
While editing a photo, you can compare the edited version with the original.
Double-click a photo to open it, then click Edit in the toolbar.
Click and hold the Without Adjustments button or press and hold the M key to see the original photo. Release the button or the M key to see the photo with edits.