I am trying to implement communication between two windows.
I open a component new 2 window by using Window.open().
The problem its same component 2 different instance in 2 windows not able to communicate between that 2 windows.
Can you please help in this?

You could try BroadsastChannel API: https://developer.mozilla.org/en-US/docs/Web/API/Broadcast_Channel_API
This is the kind of scenario that it is made for.
It is fairly simple. Taken from the docs: