Locate planets and stars for beginners
There are lots of apps you can download on your laptop / smartphone : 


Stellarium : the one i use on my computer. Useful for beginners. You will see planets, some of the best known object, ... 
Skymap for android : used it before, quite nice.
SkySafari : don't use it but some people told me it was great.


All of them are free. However, you can just search on google, there are plenty of online solutions.