I could not get this to work: Use a second laptop as an extended monitor with Windows 10 wireless displays – Scott Hanselman's Blog | The Wiert Corner - irregular stream of stuff
How to Fix "Miracast is Not Supported on Your PC" Issue
CAN'T MIRACAST ANYTHING - Microsoft Community
FIXED]"Doesn't Support Miracast" Error in Windows 11 — Auslogics Blog
Windows 10 not supporting miracast - Microsoft Community