• Windows 1.0

    Windows 1.0
  • Windows 2.0

    Windows 2.0
  • Windows 3.0

    Windows 3.0
  • Windows 3.1

    Windows 3.1
  • Windows 95

    Windows 95
  • Windows NT 4.0

    Windows NT 4.0
  • Windows 98

    Windows 98
  • Windows 2000

    Windows 2000
  • Apple Public Beta Kodiak

  • Windows ME

    Windows ME
  • Apple Mac OS X 10.0 Cheetah

    Apple Mac OS X 10.0 Cheetah
  • Mac OS X 10.1 Puma

    Mac OS X 10.1 Puma
  • Windows XP

    Windows XP
  • Apple Mac OS X 10.2 Jaguar

    Apple Mac OS X 10.2 Jaguar
  • Apple Mac OS X 10.3 Panther

    Apple Mac OS X 10.3 Panther
  • Apple Mac OS X 10.4 Tiger

    Apple Mac OS X 10.4 Tiger
  • Windows Vista

    Windows Vista
  • Apple Mac OS X 10.5 Leopard

    Apple Mac OS X 10.5 Leopard
  • Mac OS X 10.6 Snow Leopard

    Mac OS X 10.6 Snow Leopard
  • Windows 7

    Windows 7
  • Apple Mac OS X 10.7 Lion

    Apple Mac OS X 10.7 Lion
  • Apple OS X 10.8 Mountain Lion

    Apple OS X 10.8 Mountain Lion
  • Windows 8

    Windows 8
  • Windows 8.1

    Windows 8.1
  • Apple OS X 10.9 Mavericks

    Apple OS X 10.9 Mavericks
  • OS X 10.10 Yosemite

    OS X 10.10	Yosemite
  • Windows 10

    Windows 10
  • OS X 10.11 El Capitan

    OS X 10.11	El Capitan