Microsoft Windows

1982–1985: Introducing Windows 1.0

Nov 20, 1985

all os from windows were created by bill gates owner and ceo of microsoft all window os are between 60 to 500 dollars

1987–1992: Windows 2.0–2.11—More windows, more speed

Dec 9, 1987

1990–1994: Windows 3.0–Windows NT—Getting the graphics

May 22, 1990

1995–2001: Windows 95—the PC comes of age (and don't forget the Internet)

Aug 24, 1995

1998–2000: Windows 98, Windows 2000, Windows Me

Jun 25, 1998

2001–2005: Windows XP—Stable, usable, and fast

Oct 25, 2001

2006–2008: Windows Vista—Smart on security

Sep 17, 2006

2009–Today: Windows 7 and counting...

Sep 17, 2009