Hi...and Help all in the same time!!!!!

Hi thier, iv'e just bought my second land rover as my first 1 got stolen, already i'm having problems with it, it's an M Reg 300Tdi ES, firstly i'm getting loads of condensation in it (damp im guessing) but more importanly at the moment it's not starting, the Glow Plug light isn't coming on and thiers some kind of issue with the immmobilser, her did tell me how to put the landy in learn mode and reset it but im struggling to do it and getting desperate...anyone able to offer any help?....much appreciated.