How to revert to the previous system after Win8.1 update RTM version

It is believed that many users will upgrade the system through the Windows Update Update feature or other channels, such as the Win7 64-bit flagship edition. After updating the Win8.1 update RTM version found that the win8.1 system is only adding some features, many users to compare the original version of the system, a little regret to upgrade the system. Although Microsoft does not provide us with a convenient system degradation path, in fact, we can uninstall the upgrade of the relevant patch can be seen below to see how the Win8.1 Update RTM version is restored before the system.

Recovery method/Step:

1, into the Control Panel, directly select the inside of the "Windows Update option;"

2, select the "View update history" option on the left;

3, and then select the "Installed Updates" option;

4. Find two update patches from Win8.1 to Win8.1 update RTM system: KB2919355, KB2919442 uninstall them directly. However, it should be noted at this point that the KB2919355 patch is able to unload normally, but the KB2919442 patch is not able to uninstall.

Check the installed system update records, and then follow the tutorial method to uninstall the relevant patches, the system will revert to the original version, it is noteworthy to uninstall the relevant patches should be careful.