Download all photos from icloud
What's the easiest way to download my photos from my iPhone / iCloud to a local drive?
iPhone XS, iOS 14
To transfer photos from your iPhone to a computer, see the 'Import to your Mac' or 'import to your PC' sections in:
Transfer photos and videos from your iPhone, iPad, or iPod touch - Apple Support
For photos stored with iCloud Photos, see the 'iCloud Photos' section in the above link.