I have no way to post pics directly from files, on FR*, and I have no photo hosting service. Never needed one...
*FR is the only forum I’ve ever used that has this limitation, but, I understand, it saves money.)
What happens when you type Win + K
That should bring up a screen of Miracast devices to connect to. It it is peer to peer and doesn’t go through networking equipment. I gave it a try and it shows my neighbors TV is available.