Unlike some older apps, Zedge's live wallpapers are designed to be battery-friendly; many are programmed to only play when the screen is active and pause when hidden by apps.
The process varies slightly depending on whether you are using an Android or iOS device: On Android zedge live wallpaper
Tap the (download/set icon). You may need to watch a short ad or use credits to unlock it. Unlike some older apps, Zedge's live wallpapers are
Browse or search for your preferred design and tap to open it. Unlike some older apps
Open the Zedge app and select from the side menu.