NX installed fine - you've just not got the printing and plotting set up. Refer to the NX Help docs or download it from GTAC. It's an involved process and unfortunately, I don't have the time to type it all out (we're talking pages of help docs).
Tim Flater
NX Designer
NX 9.0.2.5 Win7 Pro x64 SP1
Intel Xeon 2.53 GHz 6GB RAM
NVIDIA Quadro 4000 2GB