Backup your FB data
If you have 10/20 years of memories on FB with your photos and videos, start doing your backup now. You won't know when META AI is going to suspend or permanently disabled your account.
Sent your photos/videos to Google Photo. Select and authorise access to your Google Drive. Next,select the albums you want to send to Google Drive.
If you have lots of photos and videos, it will take sometime to prepare data, and take some time for them to show up in your Google photos.