Open Facebook and log in to your account
Go to Settings and privacy
Click Settings
Select Your Facebook information
Click Download your information
Choose the date range, format, and media quality
Deselect all categories except Photos and videos if needed
Click Create file
Wait for Facebook to prepare the download
Go to Available files when ready
Click Download on the created file
Enter your password if prompted
Save the ZIP file to your device
Extract the ZIP file to access all downloaded photos
Repeat the process for other Facebook accounts you own if needed