If you're new to Photoshop and want to start from square one, then watch these lessons in the order they are listed. Once you finish this learning path, consider exploring the Intermediate Learning Path shown below.

Customizing Photoshop

Essential Beginner Tips

Basic Troubleshooting

HDR and Panoramas

Essential Adjustments

Filters

Layer Masks

Retouching Essentials

Isolating Areas with Selections

Getting Started with Layers

Photoshop Fundamentals

Previewing, Opening, Resizing, and Saving Images

Initial Adjustments in Camera Raw or Lightroom

Learn to Love Photoshop
Self-Taught-Intermediate Users
If you're self-taught and want to learn all the tips & tricks that are not easily discoverable on your own, then explore the lessons below. Once you finish this learning path, consider exploring the specialty paths found on this page.
Advanced Ideas
Below are some lessons that contain more advanced ideas.
SPECIALTY: ADJUST/OPTIMIZATIONS
If you'd like to concentrate on learning how to adjust, color grade, and optimize your images, then these are the lessons to watch. This is by no means a full list.
SPECIALTY: RETOUCHING
If you'd like to concentrate on learning retouching, then these are the lessons to watch.
SPECIALTY: SELECTIONS & MASKING
If you're looking to concentrate on learning how to isolate areas using selections and masks, then here are some lessons you should watch.
LIGHTROOM
If you're looking to concentrate on learning Lightroom, then here are a bunch of lessons for your enjoyment. Note: We do not yet have basic Lightroom classes that cover the absolute basics.