1. Click the "Start" button at the bottom left of any interface in Windows, then click the "Control Panel" icon.
2. Into the control panel I, we want to click "Network and Sharing Center" as shown in the following image.
3. Then click "Change Adapter Settings" On the left side of the control Panel.
4. Then we right-click "Local Area Connection" and choose "Properties" (You can also double-click it, of course)
5. In the Pop-up property interface, we double-click Internet Protocol version 4 (TCP/IPV4) or when Internet Protocol version 4 (TCP/IPV4) is selected, and then click Properties.
6. Finally, in the following image, we clicked "Use IP address below" to enter settings in the pop-up dialog box.
A tutorial small set to remind you: If you are tplink router we in the unmodified situation the default gateway is 192.168.1.1, the other may be 192.168.0.1, if you are not sure you can try to enter in the browser 192.168.1.1 or 192.168.0.1, if that can open the logon router Interface is that is your default gateway, IP address as long as we can between 192.168.1.x-255, the DNS server can set a barrier of 8.8.8.8.