open PowerShell (or cmd) as an administrator in the directory:
%appdata%\..\Local\Microsoft\Teams\current
if teams currently run, quit the app:
run the command (in cmd drup the '.\'):
.\Teams.exe --remote-debugging-port=31337
(or any other port you want)
open Chrome and go to:
make sure the port is configured properly:
click on the inspect link - that it!