Related to Windows vs Apple OS X

Windows 7 startup screen

1680 × 1050

Windows 7 logo and number

1280 × 800

Windows Vista default wallpaper

1600 × 1200

Windows Seven logo

1024 × 768

Windows 8 default wallpaper

2560 × 1600

Windows 8 desktop background

1600 × 1000

Windows 7 default wallpaper

1024 × 768

Windows Vista logo on green background

1600 × 1200

Windows 8 promotional wallpaper

1600 × 900

Windows 8 Developer Preview

1920 × 1200

Windows 7 default wallpaper

1600 × 1200

Windows 9 logo on blue background

1600 × 1000

Syringes injecting operating systems

1024 × 768

Golden Windows XP logo

1024 × 768

Linux and Windows logos

1280 × 1024

Windows logo on blue background

1920 × 1200

Linux Windows Mac comparison

800 × 600

Windows logo on dark background

1920 × 1200

Windows Seven logo

1440 × 900

Windows logo on dark background

1920 × 1200

Windows 8 golden background

1600 × 1000

Windows 8 logo on clouds

1920 × 1080

Windows 8 logo wallpaper

2560 × 1600

FreeBSD logo and tagline

1280 × 960