800 x 600
1024 x 768
1152 x 864
1280 x 1024

WINDOWS:
1. Choose an image and click the link below which matches your screen resolution (to check this, right click on your desktop and select Properties >> Settings - your resolution is shown under Screen Area, bottom right of the Properties box).
2. A full size version of your desktop wallpaper will then appear in a new browser window.
3. Click on the image with your right mouse button and a Windows menu will pop-up.
4a. Click on Set as Wallpaper or Set as Background, alternatively...
4b. Right-click on the image and choose Save Image As, choose a file name, add .jpg and save the image to your desktop. From the Start menu, go to Settings >> Control Panel >> Display >> Background - then choose Browse, go to Desktop, open the .jpg file and click OK.
5. Your RLS Desktop Wallpaper will then appear on your desktop.

MACINTOSH OSX:
1. Choose an image and click the link below which matches your screen resolution - to check this, click on the Apple menu and select System Preferences >> Displays.
2. A full size version of your desktop wallpaper will then appear in a new browser window.
3. Hold down Ctrl, click the image and choose Save Image to the Desktop.
4. Hold down Ctrl and - at the same time - click on your desktop.
5. Choose Change Desktop Background and click on the Desktop tab in the Desktop & Screensaver pop-up menu.
6. Select Choose Folder >> Desktop and navigate to the downloaded image then click Choose (bottom right) and close the Desktop & Screensaver menu.
7. Your RLS Desktop Wallpaper will then appear on your desktop.