Accomodation at Aberdeen with conditional offer

I have received a conditional offer for undergraduate psychology 2019-2020. I have a lot of questions about the accomodation (at Hillhead student village Aberdeen) such as what accomodation is the best or worst or anything I should know before choosing? Im also confused on how to apply if I have a conditional offer? It says on the aberdeen accomodation website that I should apply for the accomodation I want and select that I am 'interested' but to apply you need a student ID which I don't have? If anyone can give me any information regarding those questions or just anything about the accomodation in general that would be great