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Windows XP has been criticized for its vulnerabilities due to buffer overflows and its susceptibility to malware such as viruses, trojan horses, and worms.Nicholas Petreley for The Register notes that "Windows XP was the first version of Windows to reflect a serious effort to isolate users from the system, so that users each have their own private files and limited system privileges."
The Activation Wizard in Windows XP. Microsoft Product Activation is a DRM technology used by Microsoft in several of its computer software programs, most notably its Windows operating system and its Office productivity suite.
On Windows XP, if WGA determines that a user's copy of Windows is unauthorized, but was installed from seemingly legitimate media (i.e., the CD/DVD and holographic emblem present on real copies of Windows seems genuine), then Microsoft will supply the user with a new CD/DVD. However, newer versions of Windows will still require the user to ...
A machine running Windows XP Professional x64 Edition cannot be directly upgraded to Windows Vista because the 64-bit Vista DVD mistakenly recognizes XP x64 as a 32-bit system. Windows XP x64 does qualify the customer to use an upgrade copy of Windows Vista or Windows 7, however it must be installed as a clean install.
The first, Windows XP 64-Bit Edition, was intended for IA-64 systems; as IA-64 usage declined on workstations in favor of AMD's x86-64 architecture, the Itanium edition was discontinued in January 2005. [57] A new 64-bit edition supporting the x86-64 architecture, called Windows XP Professional x64 Edition, was released in April 2005. [58]
System Locked Pre-installation (SLP), also referred to as OEM Activation, is a product activation procedure for Microsoft Windows used by major OEMs of laptops and pre-built PCs wherein a Windows product key is added and locked to the machine's firmware before mass distribution. SLP product keys cannot be moved to other machines.
Product activation is a license validation procedure required by some proprietary software programs. Product activation prevents unlimited free use of copied or replicated software. Unactivated software refuses to fully function until it determines whether it is authorized to fully function. Activation allows the software to stop blocking its use.
Some performance improvements could be seen in memory management and graphics display, but other parts of OS have equal or lower performance than Windows XP. On a low-end computer system, Windows XP outperformed Windows Vista in most tested areas. Windows OS network performance depends on the packet size and used protocol. However, in general ...