The easiest way to do this is to screen cast.
Start a computer. Right click the desktop and click "Display settings"
Press "Connect" next to "Connect to a wireless display".
Select your tv.
Open a browser and navigate to https://couchtrek.newellserv.com/
Log into your captain account. (create an account if needed.)
Move that browser window to the TV screen. Maximize is using control-up arrow. make it full screen by hitting f11.
Open a different browser on your computer and navigate to the captain join link.
Now you have your TV as the main view screen and your computer as the captains console.
On the lefthand screen if your captains console there will be a QR code (currently broken) and a URL for crew members to connect to.
Any crew member with you can type that URL into a web browser and join your ship. They will have to type in their name and click join.
The captain must then assign crew positions to their crew members.
DO NOT ASSIGN THE CAPTAIN A POSITION IT WILL BREAK YOUR CAPTAIN SCREEN
Fly around space having adventures.