Connect locally

Start SPT.Launcher

Open SPT Launcher's settings menu

Click the Settings button.

Configure server IP

Ask the server host to provide their local IP address.

Check the Developer Mode box.

Enter the host's local IP address in the URL section. DO NOT leave out https://, do not forget to append the port :6969 and do not add a slash at the end. The URL box should look like this: https://20.21.22.23:6969

Create your profile

Start the game