Every Windows product has a
lifecycle. The lifecycle begins when a product is released and ends when
it's no longer supported or sold. 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
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 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.| Desktop operating systems | Date of general availability | Retail software end of sales | End of sales for PCs with Windows preinstalled | Latest service pack | End of mainstream support | End of extended support |
| Windows XP | December 31, 2001 | June 30, 2008 | October 22, 2010 | Service Pack 3 | April 14, 2009 | April 8, 2014 |
| Windows Vista | January 30, 2007 | October 22, 2010 | October 22, 2011 | Service Pack 2 | April 10, 2012 | April 11, 2017 |
| Windows 7 | October 22, 2009 | To be determined | To be determined | Service Pack 1 | January 13, 2015 | January 14, 2020 |
| Windows 8 | October 30, 2012 | To be determined | To be determined | Not yet available | January 9, 2018 | January 10, 2023 |
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