microsoft


Windows Embedded POSReady 2009 is an operating system developed by Microsoft as part of the Window IoT series, released on December 9, 2008. It is based on Windows XP Service Pack 3. It is the last operating system derived from Windows XP that received official support from Microsoft.

Mainstream support for Windows Embedded POSReady 2009 ended on April 8, 2014. Extended support ended on April 9, 2019.

Features

Windows XP's extended support

Before Windows XP end of support in 2014, some Windows XP users had reported that editing the Registry on their operating system could trick Windows Update into accepting updates targeting POSReady 2009.

VersionsComponentsHistory
Original
DOS-based
Windows 1.0Windows 2.0Windows 2.1 (Windows/286Windows/386) • Windows 3.0Windows 3.1
Windows 9x
Windows 95Windows 98Windows Me
Windows NT
Early versions
Windows NT 3.1Windows NT 3.5Windows NT 3.51Windows NT 4.0Windows 2000
Client
Windows XP (development) • Windows Vista (editionsdevelopment) • Windows 7 (editionsdevelopment) • Windows 8Windows 10Windows 11
Windows Server
Server 2003Server 2008 (2008 R2) • HPC Server 2008Home ServerSmall Business ServerEssential Business ServerWindows Server 2012Windows Server 2016Windows Server 2019Windows Server 2022
Specialized
Windows EmbeddedWindows PEWindows Fundamentals for Legacy PCs
Mobile
Windows MobileWindows Phone
Cancelled
CairoNashvilleNeptuneOdysseyWindows 10X
Related
MetroMidoriOS/2Windows AeroWindows SetupWindows XP themesMicrosoft Plus!