select photos and videos
You can select a single photo or video or multiple photos and videos.
Select a single photo or video: Click it.
Select a group of adjacent photos or videos: Click the first one, then hold down the Shift key while you click the last one. You can also drag to enclose them within a selection rectangle.
Select a group of nonadjacent photos or videos: Command-click (on a Mac) or Control-click (on a Windows computer) the items you want to include.
Select all photos and videos in an album or folder: Press Command-A (on a Mac) or Control-A (on a Windows computer).