Windows XP Service Pack 3 的新功能并不多,但其包含了以前发布的所有更新程序和热修复,其中解决了众多BUG,改进了稳定性,免去了耗时的打补丁过程,还是很值得升级的.除集成的更新程序之外,Windows XP Service Pack 3 部分主要的新特性:

针对各国最新的法律,对夏制时做了相应的修改
地区列表中“塞尔维亚和黑山”独立为“塞尔维亚共和国”和“黑山共和国”
支持蓝牙网络设备
包含“Windows XP 网络诊断”组件(IE的“工具”菜单中)
包含远程桌面连接 6.1 客户端
包含“网络访问保护”客户端
包含“Windows Imaging Component”
包含“Microsoft 管理控制台 3.0 ”
包含“Microsoft Core XML Services 6.0”
包含“Windows Installer 3.1 v2 ”
包含“后台智能传输服务 (BITS) 2.5”
包含“对等名称解析协议(PNRP) 2.1”
包含“Wi-Fi Protected Access 2”

This is the self-extracting executable that contains the update package for Windows® XP Service Pack 3. Windows® XP Service Pack 3 (SP3) includes all previously released updates for the operating system. This update also includes a small number of new functionalities, which do not significantly change customers’ experience with the operating system.

This pre-release software is provided for testing purposes only. Microsoft does not recommend installing this software on primary or mission critical systems. Microsoft recommends that you have a backup of your data prior to installing any pre-release software.

Supported Operating Systems:
Windows XP; Windows XP Home Edition ; Windows XP Home Edition N; Windows XP Media Center Edition; Windows XP Professional Edition ; Windows XP Professional N; Windows XP Service Pack 1; Windows XP Service Pack 2; Windows XP Tablet PC Edition

Windows® XP SP1 or SP2

更多信息：
http://www.microsoft.com/downloads/details.aspx?FamilyID=75ed934c-8423-4386-ad98-36b124a720aa&DisplayLang=en

官方下载：