Another silly question by a silly user

Hello there,
I need a brand new DAW PC Based (worked in mac for now but it’s gone :confused: ).
I love Steinberg and iI’m interested in Cubase 8.
The most important thing to me is to understand the key features that could fit my aim in the best way.

  • I need to make about 35 tracks per project.
  • I need to make groups
  • I need to make sidechain
  • I need to create bus, aux etc.

what should i buy?
elements, artist or pro?
and sorry for my english