I am posting this via my regular Firefox browser via sock5 proxy on 127.0.0.1 port 9150 and my IP is 185.220.101.17 because I used an exit node of DE.
The Tor browser is also running.
Windows 11 pro
check the ports with netstat or tcpview or currports
Proto Local Address Foreign Address State
TCP 127.0.0.1:9150 msi:53297 ESTABLISHED
TCP 127.0.0.1:9150 msi:53417 ESTABLISHED
TCP 127.0.0.1:9151 msi:52852 ESTABLISHED