I want to be able to download mine and friends albums in the highest resolution possible, as well as the 'Photos of' album(s). Many of the older methods and chrome extensions are out of date, leading to a bog of unusable links and downloads. If anyone is aware of some reliable ways to download whole Facebook and Instagram albums in HD as of september 2018 I'd love to know. Thanks for the help.
easiest = download copy of of ALL your data (and delete what you don't need)
Go to Facebook.com/settings.
Tap "Download a copy of your Facebook data."
Tap "Download Archive."
It might take a few minutes, but Facebook will alert you when your archive is ready.
When it is, click "Download Archive" again, and a zip file will download to your computer.