How to upgrade Win8.1

for Win8:
1. Open Microsoft China official website "http://www.microsoft.com/en-us/default.aspx”, click on the left-left corner of "Windows":

2. Enter “win8.1” in the search box at the top right corner, click Search:

3. Select “Windows 8.1 Preview":

4. Click “ Get Update & rdquo;, then select “Save & rdquo;:

5. After downloading, double-click to open the installation:

6. Security Warning Click “Open”:

7 tips Windows update (KB2849636), click on the & ldquo; after & rdquo ;:


8. install the update, select & ldquo; restart Now & rdquo ;:


9. After rebooting, the system will automatically prompt “ free access to Windows 8.1 Preview”, click “to go to the app store” or open “<quo;app store“ or you can see directly” & nbsp;Windows 8.1 Preview":


10. click & ldquo; download & rdquo ;:


11. after the installation will be prompted to reboot, enter the community prompted to accept the terms of :

12. Select “Quick Setup" or "Custom", this article select “Quick Setup>:

13. Enter or register a Microsoft account:

14. Verify account, you can skip:

15. Select whether to use “SkyDrive”:

16. After installing the application, you can enter the system.