# How to show a demo to your clients
In this tutorial we explain you how you can show a demo to your clients for RSI or RSI + AI Subtitles; without real interpreters, just by using recorded audios.
# Prerequisites:
- Download and install the VLC Media Playeropen in new window
 - Download any of our sample audios:
 
- Download and install any of below virtual cables:
 
- For Windows: (⚠️ Please 
Run as administratorthe .exe files to install correctly each virtual cable) - For Mac:
 
- Create an interpreter account at www.akkadu.com
 
# Steps:
- Create an event
 - Add one language pair (for example: 
English<>Spanish) and one interpreter - Open the English audio with the VLC video player
 - Select as Audio Device -> Vitual Cable A
 - Open the Streaming Page
 - Select as Audio Device -> Virtual Cable A Now you can listen to the audio in the English channel (if you selected 
RSI + AI Subtitlesyou should also be able to see the AI subtitles) - Open the Spanish audio with the VLC video player
 - Select as Audio Device -> Virtual Cable B
 - Open the interpreter page
 - Select as Output -> Virtual Cable B Now you can listen to the Spanish audio in the Spanish channel (if you selected 
RSI + AI Subtitlesyou should also be able to see the AI subtitles) 
