How does Win8 upgrade Win8.1 Update?

Last week, Microsoft officially pushed the Win8.1 Update patch to Win8.1 for free. Then whether Win8 is quickly upgraded to the Win8.1 Update platform. This time, Microsoft Windows official Weibo provides us with the corresponding upgrade guide: Win8 upgrade Win8.1 Update, one step in place.
The specific operation is as follows:
1, open Windows update, check whether to install KB2871389 update, if not installed, Win8 users can use Windows Update to obtain or manually download and install (32-bit version, 64-bit version)
< Br> 2, enter the Win8 Modern start screen, open the Modern App Store, the default store home page automatically prompts "free upgrade Windows 8.1", select the corresponding Win8.1 update or Win8.1 Professional Edition update (or use IE10 to open the following link :ms-windows-store:WindowsUpgrade, you can use the online store to upgrade)

3, start downloading, the whole process depends on the local network environment, the cumulative need to download the near 3G system files, the user will be reminded to restart after the installation is complete computer.
Note: After this upgrade, Win8.1 Update supports the retention of the current Modern application and the installed desktop program.

4, successfully upgraded to the official version of Win8.1 Update.