Step 1: Download the neccesary files at: http://utv.clan-sy.com/ubertunnel30.zip
Open up the .zip file and you will be greeted with 4 files, for our purpose we only need 2 of them and that are the UberTunnel.int and UberTunnel.u file.

Step 2: Place Ubertunnel.int and UberTunnel.u in the correct folder.
These files have to be put into the System folder:

Congratulations, you managed to install UberTunnel! Follow the next step to make use of this handy program.
Step 3: Launch the UnrealTournaments.
Fire up the tournament and in the menu look for the “mod” tab:

Click on UberTunnel and you will be greeted with this very simple menu:

Currently there is an UK tunnel available, information will be given at admins discretion.
Fill in the information provided by an admin accordingly and click the Tunnel! Button, congratulations you are now succesfully tunneling.