Step 1: Open Settings app by either clicking on the Settings icon on the Start menu or simultaneously pressing Windows and I keys.
Step 2: Click System (display, notifications, apps, power) and then click default apps on the left pane to view all default apps on the right-side.
Under "Photo viewer," you should see your current default photo viewer (probably the new Photos app).
And even if you choose a song from your own collection, it runs the risk of being stripped out once it’s published to You Tube for not having the appropriate rights.
Step 4: Finally, click OK button again when you get the following dialog box. You have just enabled the classic Windows Photo Viewer in Windows 10.
To make it default for images, you need to follow the next three steps.
Photo Gallery has added Vimeo too, as a new upload service to go along with Sky Drive, You Tube, and Facebook, and has added a new feature: autocollage.
We’re posting this from the road, and will have more on Windows Essentials 2012 soon, but for now, (as long as you’ve made the move away from Windows Live Mesh) get the download now!