I am 14 and desperatly need help to make a contact sheet in bridge on my windows computer by monday morning. The button i require to do this (output) is not there. I have downlaoded an add on but do not understand how to apply it to Bridge CC itself.

I have seen many answers to my question before but im absolutely rubbish with computers and dont understand them. Basically i need to make a contact sheet on Bridge CC and have downloaded the ad on needed to do this but dont know how to apply to Bridge CC itself.