Do one of the following:
Create an empty album: Choose File > New Album, or hold the pointer over the sidebar next to Albums and click
on your Mac.
Click Albums in the sidebar, then double-click an album.
Do any of the following:
Order photos by date: Choose View > Sort, then choose Keep Sorted by Oldest First or Keep Sorted By Newest First.
Rearrange photos: Drag the photos into the order you want.
Order photos alphabetically by title: Choose View > Sort, then choose Keep Sorted By Title.
Move photos to a different album: Photos settings on Mac