Photoshop is a large and intricate program, with multiple ways to accomplish what you want, and as such, it can be a little overwhelming to learn when you are first starting out. If you are new to the program and wondering how to get started, this excellent video tutorial will show you some essential tools and techniques that will help you accomplish most of what you will need when editing images.
Coming to you from PJ Pantelis, this great video tutorial will show you some fundamental tools and techniques you will need for almost every photo you will ever work on in Photoshop, including layers, masks, adjustments, and more. The important thing to remember is that there are multiple ways to do just about anything in Photoshop, and as long as you keep basic principles intact, you should work with whatever makes you comfortable when you are first starting out. Perhaps the most important principle is working with layers instead of directly on the image. This is known as a "nondestructive workflow," as it lets you make changes to or entirely undo adjustments whenever you would like without any penalty on the quality of the base image. Check out the video above for the full rundown.