We can't transform your computer into an Atari, but we can give it some retro charm with these wallpapers.
Windows
1. Click on your chosen image.
2. Once the big image has loaded, right click and select Set as Background.
Your desktop should now be beautifully decorated with some suitably vintage Ladybird wallpaper.
Mac
1. Click on your chosen image.
2. Once the big image has loaded, CTRL + click and select save image. In the APPLE menu, select 'Control Panels' and then 'Appearance'. Select the 'Desktop' tab at the top. If you see a 'Select Picture' button, choose that and find your '.pic' file. Click on 'Open', and then 'Set Desktop'.
3. If you see 'Remove Picture' instead of 'Select Picture', click it. The 'Select Picture' button should appear and you can follow the instructions above.
Your desktop should now be beautifully decorated with some suitably vintage Ladybird wallpaper.