Point of Service delivers improved customer service through the use of flexible devices such as self-checkout stations, self-service kiosks, information kiosks, food ordering kiosks, and more. Windows ® Embedded POSReady 2009 (POS = Point of Service) is a cheaper version of Windows ® XP Professional with Service Pack 3 platform (WePOS on SP2) that has been optimized for retail point-of-service (POS) devices. However, when I go through the motions of requesting a trial product key, the page is promoting windows embedded standard 7 and that trial product key is not accepted by the WES2009 installer. Slmgr.vbs /ipk New_Product_Key share improve this answer. I installed the image on an HP thin client. I downloaded Windows Embedded Standard 2009 from my MSDN subscription and built a target image. How to activate Windows Embedded Standard 2009? Up vote 2 down vote favorite. HKLM Software Microsoft POSReady Version registry keys. Windows Embedded POSReady 2009 is optimized with only the features. Windows Posready 2009 Key Windows Xp Posready 2009 Windows Embedded Posready.