Windows 7 promotional graphic

2560 × 1600

Windows 7 splash screen

2000 × 1250

Windows 8 Logo — Purple, Neutral, Digital Art

1600 × 1000

Ubuntu operating system logo

1920 × 1080

Ubuntu operating system logo

1280 × 800

Ubuntu operating system logo

1920 × 1080

Ubuntu operating system logo

1920 × 1080

Windows 7 logo sketch

995 × 755

Windows 9 concept art

1920 × 1200

Windows 9 logo on blue background

1600 × 1000

Windows 7 Piratebay Edition

1024 × 768

Windows logo with reflection

1280 × 1024