PS – Photoshop refreshers!

Photoshop for Beginners and Users Who Need a Refresher – Part 1

Photoshop for Beginners and Users Who Need a Refresher – Part 2

Photoshop for Beginners and Users Who Need a Refresher – Part 3

PS Photoshop Keyboard Shortcuts

https://helpx.adobe.com/photoshop/tutorials.html