Windows xp sp3
Windows XP (codenamed Whistler) is a personal computer operating system produced by Microsoft as part of the Windows NT family of operating systems. The operating system was released to manufacturing on August 24, 2001, and generally released for retail sale on October 25, 2001.
Development of Windows XP began in the late 1990s as "Neptune", an operating system built on the Windows NT kernel which was intended specifically for mainstream consumer use—an updated version of Windows 2000 was also originally planned for the business market. However, in January 2000, both projects were shelved in favor of a single OS codenamed "Whistler", which would serve as a single OS platform for both consumer and business markets. Windows XP was a major advance from the MS-DOS based versions of Windows in security, stability and efficiency due to its use of Windows NT underpinnings. It introduced a significantly redesigned graphical user interface and was the first version of Windows to use product activation in an effort to reduce software piracy.
Upon its release Windows XP received generally positive reviews, with critics noting increased performance (especially in comparison to Windows ME), a more intuitive user interface, improved hardware support, and its expanded multimedia capabilities.Despite some initial concerns over the new licensing model and product activation system, Windows XP eventually proved to be popular and widely used. It is estimated that at least 400 million copies of Windows XP were sold globally within its first five years of availability, and at least one billion copies were sold by April 2014.
Windows XP remained popular even after the release of newer versions, particularly due to the poorly received release of its successor Windows Vista. Vista's 2009 successor, Windows 7, only overtook XP in total market share at the end of 2011.
Sales of Windows XP licenses to original equipment manufacturers (OEMs) ceased on June 30, 2008, but continued fornetbooks until October 2010. Extended support for Windows XP ended on April 8, 2014, after which the operating systemceased receiving further support or security updates to most users.
New features in Service Pack 3
- NX APIs for application developers to enable Data Execution Prevention for their code, independent of system-wide compatibility enforcement settings
- Turns black hole router detection on by default
- Support for SHA-2 signatures in X.509 certificates
- Network Access Protection client
- Group Policy support for IEEE 802.1X authentication for wired network adapters.
- Credential Security Support Provider
- Descriptive Security options in Group Policy/Local Security Policy user interface
- An updated version of the Microsoft Enhanced Cryptographic Provider Module (RSAENH) that is FIPS 140-2 certified (SHA-256, SHA-384 and SHA-512 algorithms)
- Installing without requiring a product key during setup for retail and OEM versions
Previously released updates
Service Pack 3 also incorporated several previously released key updates for Windows XP, which were not included up to SP2, including:
- Windows Imaging Component
- IPSec Simple Policy Update for simplified creation and maintenance of IPSec filters
- Background Intelligent Transfer Service (BITS) 2.5
- MSXML 6.0 SP2 and XMLLite
- Microsoft Management Console 3.0
- Credential Roaming service (Digital Identity Management Service) update
- Remote Desktop Protocol 6.1 including support for ClearType and 32-bit color depth over RDP
- RemoteApp server which is used for Windows XP Mode
- Credential Security Support Provider which provides Network Level Authentication and Single Sign-On for RDP
- Peer Name Resolution Protocol 2.1
- Network Diagnostics update
- WPA2 Update (KB893357)
- Windows Script 5.7
- Windows Installer 3.1 v2
- Wireless LAN API
- Improvements made to Windows Management Instrumentation in Windows Vista to reduce the possibility of corruption of the WMI repository.
Service Pack 3 contains updates to the operating system components of Windows XP Media Center Edition (MCE) and Windows XP Tablet PC Edition, and security updates for .NET Framework version 1.0, which is included in these editions. However, it does not include update rollups for the Windows Media Center application in Windows XP MCE 2005. SP3 also omits security updates for Windows Media Player 10, although the player is included in Windows XP MCE 2005. The Address Bar DeskBand on the Taskbar is no longer included due to antitrust violation concerns.
System requirements
System requirements for Windows XP are as follows:
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