How to restore to the previous system after the Win8.1 Update RTM version is updated

I believe many users will upgrade the system through the Windows Update update function or other channels, such as win7 64-bit Ultimate. After updating the Win8.1 Update RTM version, it was found that the win8.1 system only added some functions. Many users indicated that they were more suitable for the original version system, and they regretted upgrading the system. Although Microsoft did not provide us with a convenient system downgrade path, we can uninstall the relevant patches for the upgrade. Let's take a look at how the Win8.1 Update RTM version restores the previous system.

recovery method /steps:
1, then go to Control Panel, which directly select the "Windows Update option;

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

3, then select "installed updates" option;

4, found two upgrade from Win8.1 to update patch Win8.1 update RTM system: KB2919355, KB2919442 directly uninstall it. but this time should be noted that, KB2919355 patch is capable of normal uninstall, but 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 be restored to the original version. It is worth noting that you should be cautious when uninstalling related patches.