To view the file extensions in the File Explorer, navigate to the View menu (in the File Explorer) and then click File name extensions checkbox. You need to repeat the above steps for all common picture file types such as JPEG, BMP, and PNG if you want to make Windows Photo Viewer default for these file types.

Step 1: Right-click on a JPEG, BMP, or PNG picture file, click Open with, click Choose another app, click More apps if you cannot see the Photo Viewer in the list, select Windows Photo Viewer, select Always use this app to open this type of files option and then click the OK button to set Windows Photo Viewer as the default for the selected picture file type.

Now that the classic Default Programs redirects you to the Settings app and Settings app doesn’t let you set the Windows Photo Viewer (Windows Photo Viewer doesn’t show up in the list), setting the Windows Photo Viewer as the default picture viewer is a bit tedious. Setting the Windows Photo Viewer as the default program for pictures is not as easy as it was a few years ago.

To make it default for images, you need to follow the directions given below. To check if Windows Photo Viewer is enabled and to open a picture with Windows Photo Viewer, right-click on a picture file, click Open with, click Choose another app (if Photo Viewer is not showing here), click More apps (only if you cannot see the Photo Viewer in the list), and then click Windows Photo Viewer to open the selected picture file with Windows Photo Viewer. That’s it! You have just enabled the classic Windows Photo Viewer in Windows 10. Step 4: Finally, click the OK button again when you get the following dialog box. Alternatively, you can right-click on it and then click the Merge option. Step 3: Extract the ZIP file and double-click on the PhotoViewer.reg file and then click the Yes button when you see the following confirmation dialog to merge it.

Update photo viewer windows 10