How to uninstall Windows 8.1 Update?

recently brought you the latest Windows 8.1 upgrade Windows 8.1 2014 Update tutorial, but after upgrading the Windows 8.1 2014 Update system, there is no big highlight, mainly added some system functions, user-selectable operation More than that.
What's interesting is that Windows 8.1 2014 Update can be downgraded to Win8.1 system, which is more user-friendly than Windows 8 users can't downgrade after upgrading Windows 8.1. The following Xiaobian brings you the latest Windows 8.1 2014. Update downgrade Win8.1 tutorial
Win8.1 2014 Update downgrade Win8.1 is very simple, no need to reinstall the system, as long as we uninstalled the two upgrade files we introduced for you, as follows:
1 First enter the Control Panel of the Win8.1 2014 Update system, and then click to enter the "Windows Update" option <2> 2, after entering the Windows Update Options interface, we click on the “ view update history in the left menu & rdquo ;
3, then we will open the middle of the update history interface, click to enter "Installed updates",
4, finally we just find two upgrade files we installed and upgraded: KB2919355 and KB2919442, they will have to uninstall


uninstall KB2919355 and KB2919442 patch
uninstall is complete, we restart the computer, after the system is restored to W Indows 8.1 version, in general, Windows8.1 2014 Update upgrade and uninstall downgrade methods are very simple.