Learn how to find the location of the current desktop background image file (a custom picture, slideshow image, etc.) stored in Windows PC.

4] Set the image as a desktop background Now that we have the required wallpaper, just open it using Windows Image Viewer, click on the three dots, and click on Set as > Background or hit Ctrl + B.

How to change your background picture from Systems Preferences You can set your desktop image to one of a variety of options that Apple has already preloaded onto your Mac: 1.

Select the file where you’ve saved the image. Once you’ve located it, you have a few options on how to set it as your background. The first is to right click the image icon to pull up a menu.

Open the "Desktop & Screen Saver" folder in System Preferences. Stefan Ionescu/Insider 3. In the Desktop tab, select the image you want to be the new background and lock screen wallpaper.