what were the features for the third pack mentioned?
It began being automatically pushed out to "Automatic Updates" users on July 10, 2008. A feature set overview which details new features available separately as stand-alone updates to Windows XP, as well as backported features from Windows Vista, has been posted by Microsoft. A total of 1,174 fixes are included in SP3.
Windows XP
It began being automatically pushed out to "Automatic Updates" users on July 10, 2008. A feature set overview which details new features available separately as stand-alone updates to Windows XP, as well as backported features from Windows Vista, has been posted by Microsoft. A total of 1,174 fixes are included in SP3. 
install internet explorer 7 for windows xp 32 bit UNANSWERABLE who developed the windows xp operating system? Microsoft when was this operating system released? October 25, 2001 what are some of the special features of this operating system? A new visual appearance, with an increased use of alpha compositing effects, drop shadows, and "visual styles" what are some of the editions of this operating system? "Home Edition" and "Professional Edition" what are the service packs released for this? Service Pack 1, Service Pack 2 and Service Pack 3 what were the features for the first one? It contained over 300 minor, post-RTM bug fixes, along with all security patches released what were the features for the second pack mentioned? Headline features included WPA encryption compatibility for Wi-Fi & usability improvements to the Wi-Fi networking user interface, partial Bluetooth support, and various improvements to security systems.
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Windows XP [SEP] Service Pack 3
A total of 1,174 fixes are included in SP3. Service Pack 3 can be installed on systems with Internet Explorer versions 6, 7, or 8; Internet Explorer 7 is not included as part of SP3. Service Pack 3 included security enhancements over and above those of SP2, including APIs allowing developers to enable Data Execution Prevention for their code, independent of system-wide compatibility enforcement settings, the Security Support Provider Interface, improvements to WPA2 security, and an updated version of the Microsoft Enhanced Cryptographic Provider Module that is FIPS 140-2 certified.