How to get MechWarrior 4 Mercanaries servers to show in the game lobby using Radmin VPN (free)
1. Download Radmin VPN from https://www.radmin-vpn.com/
2. Install Radmin VPN
3. Click the Online button, then -> Network -> Join Existing Network
4. Network name: MechWarrior 4 Mercs Password: mw4mercs
5. Your screen should look something like this:
6. In the game multiplay section, create a new connection like the image below, save, then connect as normal, if there are servers available, they will show in the lobby.