windows

I have a P4 Advanced but for some reason when I download the Dji Assistant shows "Inspire" and doesn't let me choose Phantom. Where do I download the correct one, or how do I modify this one to use for the P4. Thanks a lot in advance.

The other day I was given a Phantom unopened box with a untouched drone in it, it was a present for someone who apparently didn't want it, well i am a landscape and surveying photographer and would very much like some help in identifying which model phantom it is, I think it is a 1 , Its brand...