For more information on how to use iCloud Photos and optimize photo storage on your iPhone or iPad, see any of the following:
iPhone User Guide: Use iCloud Photos on Mac.
On your Apple TV, open the Settings app.
Choose Users and Accounts, then select your account.
Choose iCloud, then turn on iCloud Photos.
To view photos and videos stored in iCloud Photos, open the Photos app, then navigate to the Photos category in the menu bar. All the photos and videos you see are stored in iCloud Photos.
For more information on how to use iCloud Photos on your Apple TV, see , then turn on iCloud Photos.
Click Done.
To see photos and videos stored in iCloud Photos, open File Explorer, then click iCloud Photos in the Navigation pane.
If you don’t see iCloud Photos, click Pictures in the Navigation pane, then double-click iCloud Photos.
For more information on how to use iCloud Photos on your Windows device, see Use iCloud Photos on iCloud.com
On a tablet: Apple Support article: If your iCloud Photos aren’t syncing to your deviceApple Support article: System requirements for iCloud