You can buy a small USB Wi-Fi adapter that explicitly lists Miracast/Wi-Fi Direct support.
Miracast requires WDDM (Windows Display Driver Model) 1.3 or higher. my pc doesn't support miracast
When purchasing a new PC, explicitly check specifications for “Miracast support,” “Wi-Fi Direct,” and “WDDM 2.0+.” Avoid budget tablets or Chromebooks (which use other protocols). You can buy a small USB Wi-Fi adapter
Let me know if you have any suggestions or recommendations! explicitly check specifications for “Miracast support