Enter the passcode the other person gave you to connect your computer to theirs.
On this computer, click Start, type powershell, and press Enter.
Copy this line, paste it into PowerShell, and press Enter:
When it says “waiting for the host”, you’re done — keep the window open.
End-to-end encrypted — the relay can only carry scrambled bytes, and the
passcode never leaves the two computers. A passcode works only while the
host’s session is open, and each code connects exactly one computer.