Can Somebody helpme install and test a signal?

 

Can somebody help me on how I can install this EA called xxx and test it on my demo account first before committing my money on it? I've subscribed to it but cannot install it.

<Edited by moderator>

 

It's not an EA, it's a signal.

Please read and apply How to Subscribe to Trading Signals and Frequently Asked Questions about the Signals service

 
If you have read through the link provided by Angevoyageur and does not understand what to do then ask the signal proviser or service desk