# AIM Client Configuration
This guide explains how to configure a Windows AIM clients to connect to Retro AIM Server.
1. At the sign-on screen, click `Setup`.
2. Under the `Sign On/Off` category, click `Connection`.
3. In the `Host` field, enter the value of `OSCAR_HOST` found in `config/settings`. In the `Port` field, enter the
value of `BOS_PORT` found in `config/settings`.
4. Click OK and sign in to AIM!