The last I read, all support for Windows XP ends in 2014.
All computers capable of running Windows XP are capable of using service pack 3.
Windows XP service packs 2 and 3. AGN
Service Pack 4.
No. Microsoft does not create service packs for their systems once they enter the Extended Support phase. Service Pack 3 will be the last service pack for Windows XP.
Windows XP with SP2 and SP3
Yes. Windows XP can be upgraded from the RTM release or a service pack to any subsequent service pack. For example: Windows XP RTM ---> Windows XP Service Pack 3 Windows XP Service Pack 1 ---> Windows XP Service Pack 3 Windows XP RTM ---> Windows XP Service Pack 2 Service Pack 3 is the latest service pack for Windows XP; any planned updates should be to this service pack, and not an older one. As per above, you do not need to install any previous service packs before installing Service Pack 3.
Service Pack 3 was a legitimate service pack for Windows XP. it was released on May 6, 2008.
Well, there is currently no offical service pack for Windows 8. However, you can consider Windows 8.1 which is a free major update to be a service pack.
No, when the final service pack is released Service Pack 3 will install over Service Pack 2, just as in every past version of Windows.
There are no further service packs planned for Windows Vista. The last service pack, Service Pack 2, was released on April 28, 2009.
Support for Microsoft Windows Vista can no longer be found since Microsoft no longer supports that operating system. You must update to Windows Vista service pack 1 or 2 to get support from Microsoft.
Service Pack 3 Is better because it has more feautres.