Scroll to individual photos in the memory: Press the Right Arrow or Left Arrow key, or swipe left or right on the trackpad. You can also swipe the filmstrip to scroll quickly forward or backward.
Display the memory photos in a grid: Click the Grid View button in the toolbar.
The new memory appears among your favorite memories in Memories. If you want the memory to appear with your other memories, click the Favorite button Use AirDrop to share photos.
In the Photos app Browse your photos in Photos on Mac