Microsoft has ended retail sales for Windows 8. Computers with preinstalled Windows 7 Home Basic, Home Premium and Ultimate., while computers with preinstalled Windows 7 Professional and Windows 8 have yet to get an announced date on end of sales. Windows 7 Professional remains available through Microsoft's Downgrade Rights. Microsoft has given a year's notice before sales for Windows 7 Professional officially ends. However, reports have been made concerning the end of Windows 7 Professional by January 2015. It is unclear if Microsoft will end up extending the date. Continue reading this story here.