Microsoft Corporation announced this OS on February 9, 2011 under the name Windows Embedded Standard 7 with Service Pack 1 as a light version of Windows 7. Windows Thin PC is the successor to Windows Fundamentals for Legacy PCs , based on Windows XP Embedded . Microsoft hoped to release this system in early 2011. Community Technology Preview (CTP) was presented on March 28 at Connect. A bit later, on May 2, the RC version of Windows Thin PC was released. The release version was released on June 6, 2011.