History of OS

Windows 2000

Feb 17, 2000

Brand: Microsoft
Programmer/s who created it: Microsoft programmers
Price when it was released: $550.00

Windows Millennium Edition

Sep 14, 2000

Brand: Microsoft
Programmer/s who created it: Microsoft teamwork
Price when it was released: $59.95, then it increased to $109.00

Windows XP

Oct 25, 2001

Brand: Microsoft
Programmer/s who created it: Microsoft
Price when it was released: $99.00 (Home Edition)
$199.00 (Pro Version)

Mac OS X v10.2 "Jaguar"

Aug 23, 2002

Brand: Macintosh (Apple)
Programmer/s who created it: Apple programmers
Price when it was released: $149.99

Windows Server 2003

Apr 24, 2003

Brand: Microsoft
Programmer/s who created it: Microsoft programmers
Price when it was released: $999.00

Mac OS X Tiger

Apr 29, 2005

Brand: Apple
Programmer/s who created it: Apple teamwork
Price when it was released: $119.95

Windows Vista

Jan 30, 2007

Brand: Microsoft
Programmer/s who created it: Microsoft programmers
Price when it was released: $199.95

Windows Home Server

Nov 4, 2007

Brand: Microsoft
Programmer/s who created it: Microsoft teamwork
Price when it was released: $189.99

Mac OS X Snow Leopard

Aug 28, 2009

Brand: Apple
Programmer/s who created it: Apple teamwork
Price when it was released: $59.99

Windows 7

Oct 22, 2009

Brand: Microsoft
Programmer/s who created it: Microsoft teamwork
Price when it was released: $119.99