Every Windows product has a lifecycle. The lifecycle begins when a product is released and ends when it’s no longer supported. Knowing key dates in this lifecycle helps you make informed decisions about when to upgrade or make other changes to your software. Here are the rights and limits of the Windows lifecycle.
End of support refers to the date when Microsoft no longer provides automatic fixes, updates, or online technical assistance. This is the time to make sure you have the latest available update or service pack installed. Without Microsoft support, you will no longer receive security updates that can help protect your PC from harmful viruses, spyware, and other malicious software that can steal your personal information. For more information go to Microsoft Support Lifecycle .
| Operating System | Latest Updateor service pack | End of mainstream support | End of extended support |
|---|---|---|---|
Windows XP
|
April 14, 2009
| ||
Windows Vista
|
April 10, 2012
|
April 11, 2017
| |
Windows 7 *
|
January 13, 2015
|
January 14, 2020
| |
Windows 8
|
January 9, 2018
|
January 10, 2023
|
* Support for Windows 7 RTM without service packs ended on April 9, 2013. Be sure to install Windows 7 Service Pack 1 today to continue to receive support and updates.
Service packs and updates are part of the process of keeping your Windows product up to date. Service packs combine the latest updates and fixes into one package or download. A service pack can include security and performance improvements as well as support for new types of hardware. To install the latest service pack for Windows XP, Windows Vista, or Windows 7, or to install the latest update for Windows 8, visit the Service Pack Center.
| Desktop operating systems | Date of availability | Support retired |
|---|---|---|
Windows XP SP1
|
August 30, 2002
|
October 10, 2006
|
Windows XP SP2
|
September 17, 2004
|
July 13, 2010
|
Windows XP SP3
|
April 21, 2008
|
April 8, 2014
|
Windows Vista SP1
|
February 4, 2008
|
July 12, 2011
|
Windows Vista SP2
|
May 26, 2009
| |
Windows 7 SP1
|
February 22, 2011
| |
Windows 8.1
|
October 18, 2013
|
Reference from: http://windows.microsoft.com/en-in/windows/lifecycle
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