Microsoft's Windows 10 has been released for more than three months, according to data previously published by Microsoft, Windows 10 is installed on more than 100000000 devices, it is in the Global Desktop market share of more than 8/8.1 Windows, in some countries more than XP 7 only to Windows. But in China, windows will account for 10 percent 4.33 ranked fourth, inferior to Windows 7, Windows XP and 8.1, the share of the three respectively 53.56, 29.87 and 5.3. It is difficult to explain why the Windows 7 and 8/8.1 users free upgrades, and with China's major Internet Co to promote the Windows 10 in ChinaStill not popular. Windows 10 is more difficult to piracy? And be not so Chinese government blocked the impact of Windows 8 spread to Windows 10? Microsoft refused to extend the free support for the consequences of XP Windows?