enable TFTP and enable firewall on Windows





1- open the server window
2- select the service 

3- select the Root directory
4- start the process

5- test on the local server ( with the tiny file (wink)

6- enable the firewall on windows




>>> All connection, Public [ Optional in this case  private , Domain ]


( also could allow SSH in windows ) 

Windows defender firewall

7- test on a remote machine













which software is running?