Two years after being end-of-life, Windows XP operating system is still used in 181 million computers around the world. According to a American market research firm, Net Applications, computers using Windows XP are accounts for 11% of global computer equivalent to 12% of the market share the version of Windows. Framing with the figure of 1.5 billion computers using Windows that Microsoft recently announced, the amount of computers are still using Windows XP is about 181 million. According to PC World, Windows XP is currently holding the fourth position in the Windows version is used the most. The version most commonly used today is Windows 7 with approximately 861 million users, it is Windows 10 (235 million) and Windows 8/8.1 (199 million). Quality computer using Windows XP more than OS X about 40%. Ratio of computers using Windows XP in China is very high, at the level of 26,2% to 31,6%, according to the statistics of StatCounter, and Baidu. There are many reasons why users hesitate or do not upgrade over Windows XP, as this version requires low profile or can’t upgrade directly and freely to Windows 10. Microsoft has officially stopped supporting Windows XP from the beginning of the April of 2014. Exceptedly, the units remove the money to buy the support package, after that time user is not technical support or security patches for Windows XP.Net Application to predict the next month market share of Windows XP can be reduced to below 10%, but will still remain above 5% for next year. According To VnReview.