TIP: First, open the wallpaper of the desired resolution. Then follow the method mentioned
under your operating system.
WINDOWS
1. Right-click on the image. Select "Set as Background" or "Set as Wallpaper" from the menu.
MAC OSX
1. Drag the image below to the desktop.
2. Choose "Desktop" from the System Preferences menu.
3. Choose "Select folder" in the Collection list.
4. Choose the Desktop folder and select the image.
5. Click "Open," then click "Set Desktop."