Use fast selection tools to quickly grab one area of an image and then create a layer mask with it.
By separating elements of an image into different layers, you can focus on that component on its own. Use fast selection tools to quickly grab one area of an image and then create a layer mask with it. If you have one layer for your sky, you can make adjustments that apply just to the sky, like extra brightness or a blur effect. If another layer is only your subject in the foreground, you can adjust how they look without affecting the background.