Open the Photos app on your Mac
Select the photo you want to edit
Click Edit in the top-right corner
Use Adjust to change light, color, and black point
Use Filters to apply a preset look
Use Crop to straighten, rotate, or trim the image
Use Retouch to remove small blemishes or spots
Use Red-Eye to fix red-eye in portraits
Use Auto Enhance for quick automatic improvements
Click Done to save your changes
Open the photo in Preview for basic edits
Use Markup in Preview to crop, annotate, or adjust size
Use third-party apps like Adobe Photoshop, Lightroom, or Pixelmator for advanced editing
Save a copy if you want to keep the original unchanged