Solved! How to Mirror OnePlus 6T to laptop

[austin1206789]

I bought a new OnePlus 6T, but I do not know how to enable the screen mirroring feature. Is there any feasible way to mirror my phone to laptop?
Thanks.

 

[hang-the-9]

https/www.lifewire.com/show-phone-screen-on-windows-4164406 and https/www.makeuseof.com/tag/mirror-android-screen-pc-mac-without-root/

If you do a web search there are probably a few other things you will find.