1. Run ReplayCONTROL
From the Start Menu, select ReplayDIRECTOR™, then ReplayCONTROL.

2. Open the Target Options...
In ReplayCONTROL, select Tools -> Target Options...

3. Configure the Target Application...
Select 'Quake3' as the Target Application.
Next, set the Target Binary to the location of 'quake3.exe'.
This will be inside the directory where you installed Quake III : Arena.
You do not need to change any of the other options here.
Click OK to close the window.
4. Apply ReplayDIRECTOR™...
Next, we will instrument the Target Application.
Select Tools -> Instrument Target Application...

You will see a command window open during the instrumentation. When the instrumentation is complete, press any key to continue.
5. Record Quake III : Arena
Press the 'Record' button to record a session of Quake III : Arena.
This will launch the game with ReplayDIRECTOR™ recording activated!

While the game is running, you will see the text 'RECORD' in the top-left corner, along with a timer indicating that ReplayDIRECTOR™ is recording.
6. Replay your Recording...
After you exit the game, you will see ReplayCONTROL showing the session you have just recorded. Double-click the session, or select 'Play' to playback a perfect, frame-per-frame recording of the game you just played.
During playback, you will see 'REPLAY' in the top-left of the screen, along with a timer indicating that you are Replaying.
Thanks for trying ReplayDIRECTOR™ for Gaming!