How to properly update Win8.1 Update1 patch

In July, users ushered in Microsoft's new system security patch, as the latest system, win8.1 system patch update is also listed in it, different versions of the system update patch is different, how to update the installation patch under win8.1update1 ??
Microsoft Download Center officially released the Windows 8.1 Update upgrade package. This upgrade package is the final official version. The patch installation method must be installed in the following order:
KB2919442, KB2919355, KB2932046, KB2937592, KB2938439, KB2934018.
Remind everyone that KB2919442 (32-bit, 64-bit) is a prerequisite for the Windows 8.1 update. You should install KB2919442 before attempting to install KB2919355. For example, the 32-bit version adds KB2934018 (71.9 MB) compared to the MSDN official version. The previous KB2949621 (1.06MB) is not included in the Windows 8.1 Update package.
The above patches include all updates from Win8.1 RTM to Win8.1 Update, for all languages ​​such as Simplified Chinese/English.

▲ leaked version and official version of Win8.1 Update update verification results
Scenario 1: Users who have installed Windows 8.1 Update RTM leaked version of the four patches
Install the following patch:
1 .KB2938439
2.KB2934018
Case 2: Users who have installed Windows 8.1 Update RTM leaked version of the patch
Install the following patch: KB2934018
Uninstall the following patch: KB2939087
Scenario 3: Install Windows 8.1 Update MSDN official version of the six patches of users
Install the following patch: KB2934018
Uninstall the following patch: KB2949621
The above is a small tutorial to share with you win8.1update1 update the latest patch detailed tutorial, Users should update according to their own system, do not blindly update all patches, not all patches need to be used.