Parsing win8.1 can't activate the problem

Win8 system can be upgraded to win8.1 system for free, but because of the free upgrade, win8.1 can not be activated, what should I do? Now let Xiaobian tell you how to solve the problem that win8.1 can not be activated.
win8.1 can not be activated as long as it is caused by network problems, win8.1 activation requires access to verify Microsoft server, and Microsoft server in the country, there will be shielding in many places.
First, change the computer DNS address
DNS is the abbreviation of the computer domain name, it is composed of the parser and domain name server. The domain name server refers to a server that stores the domain name and corresponding IP address of all hosts in the network and has the function of converting the domain name into an IP address.
1, first click on the network icon at the bottom of the desktop right, and then select "Open Network and Sharing Center", as shown below:
Open Network and Sharing Center
The above picture shows the use of wireless network If you are using a network cable, you can also right click on the network icon to see the option to open the network and sharing center.
2, then click on the left side of the "Network and Sharing Center" window to change the adapter settings, as shown below:
Change adapter settings
3, then in “ In the Network Connections window, find the NIC we use for Internet connection. Generally, it is displayed as “Local Connection”. My network card name was changed to “Wi-Fi” in the past. So select the network card and right click with the mouse, select “Properties", as shown below:
Win8 local connection settings
4, found in the "Network" tab of the network connection properties of the show later “TCP/IPv4” This option, then click on the "Properties" button at the bottom right, as shown below:
Select TCP/IPv4 Properties
5, Next, in "Internet Protocol Version 4 TCP" In the /IPv4 ”Properties window, select “Use the following DNS server address”, then fill in the DNS address in "First DNS server" and "Alternative DNS server". Here is the place to modify the DNS address, we change the DNS address to 8.8.4.4, and then click OK at the bottom.
Win8 system DNS address modification method
6, after completing the above DNS address modification, we can activate win8.1 to find that it can be successfully activated, as shown below:
Successfully activate win8.1 prompt Screenshot
Tip: DNS address 8.8.4.4 is Google's global DNS address, may change the DNS address, the network speed is not as fast as before, it is recommended to activate win8.1, restore the DNS to its original state, change to automatic Get it. Finally attached win8.1 official universal activation code: NTTX3-RV7VB-T7X7F-WQYYY-9Y92F.
Two, over the wall
Friends who are used to browsing foreign websites are not unfamiliar with the wall, but the white friends will feel very troublesome. If you will overturn the wall, you can also activate the wall. Just fine.
The two methods described in the above small series, you can easily solve the problem that win8.1 can not be activated, and try it out.