You need to download an update before you upgrade
Microsoft released the Windows 8.1 preview as scheduled, and if you are using Windows 8, simply install an upgrade boot patch to upgrade the Win8 to Windows 8.1 Preview directly through the Windows store. Of course, if you don't have Windows 8 yet, you can download the Windows 8.1 Preview version of the installation file image later.
Needless to say, now that Windows 8 users access the Windows 8.1 preview download page, install an upgrade front patch to go to the App Store to install the Windows 8.1 upgrade file. The specific steps are as follows:
First sign in to this page: Http://windows.microsoft.com/zh-cn/windows-8/download-preview
Then click "Get Updates" on the page to download and install the upgrade front patch.
You need to install a small patch before upgrading
Reboot the system after installing the front patch
The upgrade process is actually very simple
After the installation of this front patch will require the reboot of the system, click to reboot immediately, and then log on to the system again after the reboot to receive Windows 8.1 upgrade prompts.
Windows 8.1 Preview Upgrade Tips
Click the "Go to App Store" on the tip to see a separate Windows 8.1 upgrade page. The files required for the upgrade are approximately 2GB (32-bit systems) and the download takes some time.
Windows 8.1 Upgrade Page
Click "Download" to start downloading the upgrade file, when the download progress about 50%, will start to upgrade before the various preparations, such as check compatibility, application changes and a series of work.
Downloading Windows 8.1 upgrade files
Tips before starting the installation
Here, we only need to patiently wait for the system to complete the follow-up work, the whole process does not take too much time (depending on the speed of their network, download times will be different) and operations, installation progress at the end will be prompted several reboots, follow the prompts to operate. Soon Windows 8.1 is right in front of your eyes.