Definitely start with some walk vs run tutorials. It’s super-simple stuff, so try one our two tutorials out and if you have questions, come back and post here.
When you post, if you post a code snippet, ALWAYS USE CODE TAGS:
How to use code tags: Using code tags properly
How to report your problem productively in the Unity3D forums:
http://plbm.com/?p=220
How to understand errors in general: