iCloud Photos safely stores all your photos and videos in iCloud, so they're available on all your devices. Turn on iCloud Photos. Apple Support Use iCloud Photos on your PC - Apple Support
If you just need a few specific albums or a handful of photos without installing software, the web interface at iCloud.com/photos is your best bet.
Sign in with your Apple ID, select your photos (hold Ctrl to click multiple), and hit the download icon (cloud with a down arrow). The Review: It’s fast and works on any computer.