Welcome to the TOC ladder, I am sure you will have no trouble finding an opponent here.
There are two Liege scenarios, the "Getting started" scenario where the city has fallen and the "Assault on Liege" which depicts the German attack on the city.
If you play the assault scenario as German then ignore the VP points for the forts as you cannot take them unless the Allied player does not garrison them correctly, I only mention this as another new player tried this scenario and was frustrated when he could not take the forts to achieve victory, rather than take the VP locations within the city itself.