Software upgrades, bug fixes, new features, and security upgrades.
No, service pack 4 over-rides service pack 3.
There are many features which are included in the service pack 3 download, it is able to fix a range of bugs and also adds new features to Windows XP. Two new features include: Black Hole Router Detection and Network Access Protection.
All things being equal service pack 3 would be more up to date
Service Pack 3 was a legitimate service pack for Windows XP. it was released on May 6, 2008.
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.
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 Is better because it has more feautres.
Yes. Any service pack can be used to upgrade from any previous service pack or the RTM edition. For instance, the original release to Service Pack 3, or from Service Pack 1 to Service Pack 4
Yes, the minimum XP Service Pack is 2
No.
Service Pack 3. A service pack is a cumulative update of all of the security and bug fixes since the previous service pack, put sometimes new functionality.
Yes. Service Pack 3 introduces several important security updates and fixes, as well as some minor performance enhancements.