How to Use Windows 11 as a Bluetooth Audio Receiver

Step1: On Windows 11, launch Settings by pressing Windows + i. From the left sidebar, choose “Bluetooth & Devices.” On the right pane, enable “Bluetooth”
if it isn’t already enabled. Then, next to Devices, click “Add Device.”

Step2: On the Add a Device window, select “Bluetooth.” Wait for your PC to detect your device. When the device appears on the list, click it to select it.

Step3: When your PC says Your Device is Ready to Go!, click “Done” to close the window. Both your PC and your device are now paired.

Credit : https://www.howtogeek.com/how-to-use-windows-11-as-a-bluetooth-audio-receiver/