In this video you will learn how to transfer pictures, videos, text messages from your phone to your Mac Computer. It is easy to do this with the PC, All you need to do is connect your computer through USB to your PC and the PC will automatically recognize the phone and all the files.
For the mac you will need to download software from google to do this:
Link to software:
https://support.google.com/nexus/answer/2840804?hl=en