Microsoft has now long since moved on from Windows XP and, no matter what new problems people find in the operating system, no more. Windows XP is a personal computer operating system produced by Microsoft as part of the Windows NT family of operating systems. It was released to. Windows XP is an operating system introduced in from Microsoft's Windows family of operating systems. Official support for XP ends on April 8, Windows XP still works and you may use it in your business. XP lacks some productivity features of later operating systems, and Microsoft won't support XP. Windows OS, computer operating system (OS) developed by Microsoft With the release of Windows XP, Microsoft united its various Windows packages. Microsoft will no longer provide security updates or technical support for the Windows XP operating system. It is very important that customers and partners. Get end of support information for Windows XP and find out what you to find out if your PC meets the system requirements for Windows Results 1 - 48 of Get the best deal for Microsoft Windows XP Operating System Software from the largest online selection at houdini-connections.co.uk Browse your favorite. Windows XP Mode for Windows 7 makes it easy to install and run many of your programs that run on Windows XP directly from a computer that runs Windows 7. System Requirements. Supported Operating System.