Voiceover on my new Macbook Air

My new Macbook Air arrived yesterday. I went to set it up - it asked me if I wanted Voice over and I thought I'd check that out before going any further. I found it quite confusing so decided it wasn't for me for the time being. I went back to the start by pressing Esc but now it seems I can't set it up in any other way other than VO. I just want to click on the various options!

Obviolsy at this stage I can't get into System Preferences to disable VO.

What can I do please?(i'm posting this from my old macbook!)

Many thanks