Let's get started! How to make Photoshop your default image editor in Windows 10 Since this is really more of a Windows and Mac tutorial, whichever version of Photoshop is installed on your computer will work. In this tutorial, I show you how to make Photoshop your default image editor in both Windows and on a Mac so you can open JPEG files, PNG files and more directly into Photoshop just by double-clicking on them! We’ll start by learning how to change the default image editor in Windows 10 from the Photos app to Photoshop, and then we'll move over to the Mac and change the default image editor in macOS from Preview to Photoshop!