how to free port port in use error

C:\Users\AnilBalwani>netstat -ano | findstr 8080

  TCP    0.0.0.0:8080           0.0.0.0:0              LISTENING       12744

  TCP    [::]:8080              [::]:0                 LISTENING       12744

  TCP    [::1]:8080             [::1]:57481            TIME_WAIT       0

C:\Users\AnilBalwani>taskkill /pid 12744

ERROR: The process with PID 12744 could not be terminated.

Reason: This process can only be terminated forcefully (with /F option).

C:\Users\AnilBalwani>taskkill /pid 12744 -f

SUCCESS: The process with PID 12744 has been terminated.