How to fix my WiFi It's say No Internet access but connected with router?

1. Click wireless network connection.

2.  Click property in Wireless Network Connection status

3.  Click the internet protocol version 4 (TCP/Ipv4) After that click the property

4. set the perfected DNS sever 8.8.8.8  and set the alternate DNS sever as 8.8.4.4 then
click ok.

https://www.youtube.com/watch?v=JOfr42IPjQ4