Win10 official version can not upgrade the preview version of the reason

In the win10 preview version, we can first experience the latest features in the win10 system, and for some win10 official version of the user, in the win10 preview version (member version), through the windows update In the advanced options, get the membership version, but there are problems that cannot be obtained. How can we solve this kind of problem? Let's look at the solution that Xiaobian brings to you!

Fault Description:
After clicking this button, it can be restored normally under normal circumstances, but some netizens have encountered the error shown in the following figure:

Reference method:
The problem may be that the system UAC is in the ghost, please in the taskbar Enter UAC in the search box and click “Change User Account Control Settings” in the search results. As shown in the figure below, if the setting is the highest level, adjust its security level to the second one:

Then try clicking “fix me”, you should be able to get the Win10 preview.
By the above method, we can easily see that if the user sets the UAC security level to the highest level, then the Win10 system cannot be changed, and the Win10 preview version cannot be obtained, so the user can obtain the preview version first. Turn down the UAC level!