How do I manage privacy settings for my photos
I make sure that it's not shared with anybody. I've got a lot on all my pictures. My photos are private and I don't want no one else seeing them
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Are you asking about the Photos.app on a Mac or on a mobile device, like an iPhone or iPad?
Basically, nobody can access your photos, as long as your devices are protected by a passcode other cannot unlock your devices.
If you are keeping your photos in iCloud, nobody but you can see your photos there, as long as you are not sharing your Apple ID with someone else or move some of your photos to a shared iCloud Photos Library and invite others to view them there.
If you are worried that someone may be able to see more photos than they should, hide very confidential photos in Photos. On the most recent system versions you need to authorize yourself to see the photos in the Hidden album. Others will not be able to open the Hidden album, when you give them your iPhone or iPad to view your photos.
See: Delete or hide photos and videos on iPhone - Apple Support (CA