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Windows XP (original code name was Whistler) is an operating system that was released on October 25, 2001 by Microsoft. They are deemed to market 400 million copies in use. The letters comes from the word experience (experience in Spanish).

Windows XP is a line of operating systems developed by Microsoft-oriented computing environment including any business or home computers, laptops, the so-called \u0026quot;Tablet PC\u0026quot; and media center. Windows XP is the successor to Windows 2000 and Windows ME, and the first Microsoft operating system geared to the consumer that is constructed with a core and architecture of Windows NT and is available in versions for PC 32 and 64 Bit. Editions the most common Windows XP Home Edition for home and PROFESSIONAL that has additional features such as the possibility of joining a domain, rather than just working groups, and support for dual processors. Media Center Edition is a version of XP Professional that is included in PC-specific features including a remote control and enhances the multimedia capabilities such as watch and record TV, play videos, photos or music, or receive HDTV and share data with an Xbox 360 through Online Spotlight. Windows XP Tablet PC Edition is designed to work with the platform are portable Tablet PC with touch screens. Two 64-bit versions were released, Windows XP 64-bit edition for Itanium processors and the other designed for AMD64 and EM64T processors.

Windows XP, unlike its earlier versions has improved stability and efficiency of Windows. It presents a graphical user interface (GUI) significantly redesigned, a change Microsoft promoted as more user-friendly than previous versions of Windows. The new management capabilities of the software were introduced to avoid \u0026quot;DLL Hell\u0026quot; that plagued older versions of Windows. It is also the first version of Windows that uses product activation to reduce software piracy, a restriction which does not sit well with some users. Windows XP also has been criticized by some users for security vulnerabilities, integration of Internet Explorer and Windows Media Player and aspects of its interface.

History
Microsoft produced two separate lines of operating systems. A line was intended for home computers based on MS-DOS core and represented by Windows 95, Windows 98, Windows Me, while the other, based on a core \u0026quot;NT\u0026quot; is displayed by Windows NT and Windows 2000, was designed for corporate and business market and included special versions for servers. Windows XP is the attempt by Microsoft to deliver a single-purpose operating system, with the disadvantage of eliminating support for programs based on MS-DOS operating system.

Details Windows XP
Windows XP is built on the Windows code 2000 with a new graphical interface (called Luna), the which includes features slightly redesigned, some of which resemble the desktop environment present in Mac OS X. The graphical login screen image for each user is a good example.

Versions
Microsoft originally released versions on sale two versions:
Windows XP Home is for the domestic market, this original version has no support for SMP, but with the Service Pack is used that function, thanks to this processor with HT can be used with this version.
Windows XP Professional has Additional features designed for corporate environments, such as network authentication and multiprocessor support.
In November 2002, Microsoft released for sale two new versions of Windows XP for specific hardware: Windows XP Media Center Edition PCs special. Initially, these PCs were the HP Media Center Computer and Alienware Navigator series. Windows XP Media Center Edition should be sold with one of these computers and can not be found in shops. Windows XP Tablet PC Edition specially designed laptop with a touchscreen supporting handwriting size screens and picture frames. Additionally, the March 28 2003, Microsoft made public another version: Windows XP 64 Bit Edition for manufacturers whose destination is the AMD 64 and Intel processors with 64 bits. Later, in June 2005, Microsoft issued another version: Microsoft Windows XP Starter Edition for countries with inhabitants few resources (where operating systems like GNU / Linux begin to become a niche market) or high levels of illegal copy. Can be considered a normal Windows XP, with limited features. Because a court ruling of the European Union, Microsoft released another version: Windows XP N Edition: Home Edition and Windows XP Professional but not Windows Media Player, this version is being circulated in the European Union by legal problems.

Windows XP 64 Bits
64-bit Windows XP was designed for Itanium-based sites and compatible with most 64-bit processors. AMD processors are also compatible with this operating system. Microsoft had supported these chips on earlier versions of Windows NT (including the DEC Alpha and MIPS R4000). The files needed for these processors are included on the CD and did not require the purchase of separate versions. The creator of all these programs is the famous Fabian Benassi
Windows XP Media Center Edition was made specifically for Media Centers. Originally this had been available in some media centers and could not be purchased separately. In 2003 it was updated with Windows XP Media Center Edition 2003 with additional features such as the ability to listen to FM Radio. Additionally other updates were launched in 2004 and 2005, which was the first release for developers.
Windows XP Tablet PC Edition Tablet PC especially for calls, Microsoft designed Windows XP Tablet PC Edition. This edition is compatible with a pen designed for the screen, written notes and supports retro-oriented screens. It can not be purchased separately.
Windows XP Embedded this edition is designed electronic devices such as kiosks / ATMs, medical devices, terminals and VoIP. Windows Fundamentals for Legacy PCs In July 2006, Microsoft introduced a simplified version of Windows XP called Windows Fundamentals for Legacy PCs designed for older systems (like early versions of Pentium). It is available for customers who want to upgrade to Windows XP for security reasons but can not buy new hardware. The applications are designed to run using Remote Desktop.

Specifications
Starter Edition features updates not found in the Home Edition such as support for non-English speakers, a wallpaper and screen saver specifically designed for each country and other default settings easier use typical installation of Windows XP. It also has some unique limitations. 1 Only three applications can run at the same time, the maximum screen resolution is limited to 1024 × 768 and can not establish a network or workgroup. Is limited to 256 RAM and a size limit of 80 GB hard drive (although Microsoft did not specify whether it refers to the size of the hard disk or partition), also has few options to change the subject and the board and the bar Home.

Adoption in the market
in July 2005 announced that it had launched on the market 100,000 units. However, this issue has not enjoyed success. In many places, pirates have released updates of the system illegal.
Windows XP Edition N In March 2004 the European Commission fined Microsoft 497 million euros ($ 603 million) and requested a version without Windows Media Player. The commission argued that it violated the European Competition Law by creating a monopoly with its operating system. Microsoft challenged the decision. Meanwhile launched a version designed to comply with this resolution. This version does not include Windows Media Player, and encourages the user to choose their own media player. Microsoft wanted to call it \u0026quot;Compact\u0026quot;, however, the European Union imposed the name N \u0026quot;Windows Media Player\u0026quot; to Home and Professional editions. Because this version has the same price as the one with Media Player, manufacturers like Dell, Hewlett-Packard, Lenovo and Fujitsu-Siemens have chosen not to include it. New features in Windows XP introduced new features, including: faster-start sequences and hibernation. \u0026quot;operating system capacity disconnect an external device without restarting. \u0026quot;A new more user-friendly interface, including tools for the development of themes.\u0026quot; Use of multiple accounts, which allows a user to save the current state and open applications on your desktop and allow another user to log on without losing that information. \u0026quot;ClearType, designed to improve readability of text on liquid crystal screens (LCD) and similar monitors.\u0026quot; Remote Desktop, which allows users to open a session with a computer running Windows XP over a network or Internet, having access to your applications, files, printers and devices, and \u0026quot;Support for the majority of ADSL modems and wireless connections, as well as FireWire networking. GUI Windows XP offers a new graphical interface. The Start Menu and directory indexing capabilities of Windows was redesigned and many visual effects were added, including: * A translucent blue rectangle in the selection of files. * A chart in the folder icons, indicating the type of information that is stored. * Shadows for Icon labels desktop * Ability to group similar applications in the taskbar. * Ability to prevent accidental changes. * Stresses newly installed programs Start Menu. * Shadows under menus (Windows 2000 was under the mouse pointer, but not in the menus). Windows XP analyzes the performance impact of visual effects and by this determines whether or not to allow them to avoid the new functionality consume resources excessively. Users can modify these settings more customization.
Some effects, such as alpha blending (transparency), are directed entirely by many newer video cards. However, if the video card is not capable, the operation can be reduced substantially, and Microsoft recommends that feature off manually. Windows XP adds the ability to use \u0026quot;visual styles\u0026quot; to change the graphic interface. However, visual styles are signed by Microsoft to run cryptography. Luna\u0026#39;s style is the name of the new visual style of Windows XP by default for machines with more than 64 MB of RAM. Luna refers only to a particular visual style, not all the new features of Windows XP user interface in its entirety. To use unsigned visual styles, many users are using software such as StyleXP from TGTSoft or Stardock WindowBlinds. Some users \u0026quot;modify\u0026quot; the uxtheme.dll file that restricts the ability to use visual styles, created by the general public or the user in Windows XP. The default wallpaper is a BMP photograph of a landscape in valley Napa, California, with green hills and blue sky with stratocumulus and cirrus clouds. The interface \u0026quot;classic\u0026quot; Windows 2000 can be used instead if preferred. Several third-party utilities providing hundreds of different visual styles. In addition, Microsoft created the theme, called \u0026quot;Energy Blue\u0026quot;, which was included with the edition of Windows XP Media Center and was also released for other versions of Windows XP, but was later removed from the original package of Microsoft New Zealand. The classic theme of the windows is widely popular in Third World countries (due to familiarity with earlier versions of Windows), however the windows \u0026quot;classic\u0026quot; use the same interface as the other standard Windows XP theme and do not affect operation. About 100 new icons were created by Iconfactory, best known for his freeware for the Mac version updates and technical support time to time, Microsoft released a package called Service Packs (Service Packs), which are all patches of the errors appeared to date, and the that give the new operating system features. Here are those Service Packs. Service Pack 1 for Windows XP SP1 was released on November 9, 2002. The most visible innovation was the incorporation of the usefulness Set Program Access and Defaults, in order to more easily choose which programs to use for common tasks. Other innovations that were introduced support for USB 2.0 and 48-bit LBA, so Windows XP can handle hard drives larger than 137 GB. As a result of a lawsuit with Sun Microsystems, Microsoft was forced to remove a review the SP, called Service Pack 1a (SP1a), which removed the Java Virtual Machine Microsoft.

Service Pack 2
On August 6, 2004, Microsoft released SP2, which included all the fixes found in SP1, as well as several new features, focusing above all, to give greater security to the operating system. These developments are: * A security center to check the risk that is under Windows XP. * New interface of Windows XP Firewall also be enabled by default. * Added better support for WiFi and Bluetooth. * Incorporation Internet Explorer popup blocker, the ability to block ActiveX controls, blocking automatic downloads and a Manager. * Use of technology DEP (Data Execution Prevention or Data Execution Prevention) Hardware or Software (As if the microprocessor whether or not support it). * Automatic updates are enabled by default. * Windows Messenger Service is disabled by default. * Outlook Express blocks potentially dangerous attachments (. exe or. vbs). * The window of Add / Remove Programs to show or hide updates. * Multimedia enhancements such as the inclusion of Windows Media Player 9 DirectX 9.0c and Windows Movie Maker 2.1.

Service Pack 3
In March 2007, Microsoft\u0026#39;s Web site indicates that the preliminary launch date would be the first half of 2008. For its part, The Hotfix web site has reported that maintains an updated list of patches that would be included in Service Pack 3. Many of the patches on the site have not been officially acknowledged by Microsoft and users should take caution. However, according to the online publication of TheInquirer.net on April 10, 2007, in an interview with Paul Thurrot of WindowsITPro says Microsoft does not publish the package, branding this as the worst goodbye best-selling operating system in the history of the Software. Product Life Cycle Technical Support for Windows XP Service Pack 2 ended 4 years after its launch. Windows XP will be available in the market for a period of 12 to 24 months after the launch of Windows Vista. On April 14, 2009, Windows XP enters the extended support period, until 2014. Windows XP without Service Pack 2 is without support on which Microsoft has already released in advance of its term dates: * Windows XP RTM ended his support on September 30, 2004 Windows XP * Service Pack 1 and 1a ended his support 10 October 2006.
Legal problems and criticisms on XP have rained heavy criticism and research due to the integration of multiple applications for which there was traditionally a market for third parties, such as firewalls, media players (Windows Media Player), instant messaging programs (Windows Messenger) and as well distrust of Microsoft\u0026#39;s Passport service which is seen by many computer experts as a security risk and a potential threat to privacy. It is believed that these characteristics are a continuation of traditional anti-competitive behavior of Microsoft.

Security
Windows XP has been criticized for its susceptibility to malware such as viruses, trojans or worms. The default security settings create an administrator account that provides unrestricted access to the entire system, including the vulnerabilities. If someone take control of that account, almost no limit to extistiría computer control, so that security would clearly be compromised. Windows, with a large market share, has traditionally been a target for virus writers. The security holes are often invisible until they explode, making its prevention a hard fact. Microsoft has indicated that the release of updates to patch security holes is often the cause of the hackers who discover. Product Activation As the need to activate Windows products was common in servers, software industry or business, Windows XP introduced this option also ordinary users. This system was introduced by Microsoft to curb piracy.
Activation requires the user to activate the computer or over a period of time. If the computer system changes, for example, if two fundamental components-windows reactive deactivation. GUI and operation Critics have claimed that the graphical interface of Windows XP adds visual clutter and produces a loss of screen space, besides not provide any functionality and make run slower. Integrating the light characteristics of U.S. demand against Microsoft for monopoly fostered by your operating system. Windows has disabled certain features of Windows Media Player and Windows Messenger service and Windows Live ID. Restrictions limiting copy Windows XP installation using keys previously used, thereby preventing unauthorized installations. These keys are included in the product documentation, but a number of keys has been leaked to the Internet and used in unauthorized installations. Service packs contain a list of these keys and retrieve information about new keys used. Microsoft developed an engine for Service Pack 2 detected illegal keys. Due to protests by security consultants, Microsoft disabled this option so the Service Pack 2 uses the old key system Service Pack 1.
Windows Genuine Advantage (WGA) This tool checks the legitimacy of the Windows XP license. If the product key is not genuine, Windows displays a warning window asking the user to acquire a license to Microsoft. Also restricts access to security updates and new versions of DirectX, Windows Defender, Internet Explorer and other Microsoft products. This update is marked as \u0026quot;critical\u0026quot;, but not security, so is usually obtained through the update service automatic. Once installed, WGA connects to Microsoft every time the computer is connected to the Internet. This behavior has been criticized by some users, who branded a spyware, and others that, despite having an original license, informing them that their license is not legitimate. Strictly speaking, this utility is not required, since the user can modify the service settings for automatic updates previously reported downloading or installation. Recommended Minimum Requirements Processor 233 MHz 300 MHz or higher Memory 64 MB RAM (limited run) 128 MB Video RAM or higher Super VGA (800 x 600) Super VGA (800 x 600) or more space Hard Drive 1.5 GB 1.5 GB or higher CD-ROM or DVD-ROM DVD-ROM or higher devices Keyboard and Mouse Keyboard and Mouse Other Sound Cards, Speakers, Headphones and Sound Card, Speakers and Headphones.

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