Windows 2007

Microsoft Windows 2007 - the operating system released on March 21, 2007. It has a bit more features than in Windows Vista. Windows 2007 is used for home and business. It was used by 17% of users in 2007, being the second most used Windows operating system in 2007. The first most used Windows OS was Windows XP, which had 60% marketshare.

New features added to Windows 2007:

 * Improved Aero appearance
 * More built-in games: Aero Pinball and Tinker
 * 3 new built-in sound schemes: Pearl, Glass and Tinker
 * Support for Internet Explorer 10
 * Windows Mobile 6 Link
 * New program: TTS Recorder

Updates
Windows 2007 got a Service Pack 1 on September 15, 2007. It had a new shutdown sound, similar to the startup sound. It also gave users a better virus protection and some UI bugfixes. The Service Pack 2 was released on April 28, 2008 and it has fixed some serious bugs.

Support for SP1 ended on May 31, 2011.

Support for SP2 (Extended support) ends on December 31, 2019.

You actually can extend support for Windows 2007 to 2023 by using the "POSReady 2013 registry hack", like in Windows XP but with POSReady 2009.