Scroll up or down in a moment: Press the Up or Down Arrow key. On a trackpad, swipe up or down with two fingers.
View specific photos in a moment: Click the Showing pop-up menu, then choose the type of item you want to see (such as Favorites), or choose a keyword associated with your photos. You can choose multiple items from the Showing pop-up menu to display just the photos you want. For more information about using keywords to identify photos, see in the toolbar.
For more information about using the Info window, see Use the Touch Bar.