Hi, I just upgraded to a second hand iMac running 10.9.1, loving it but early days finding myself in this new world after the last few years on a G5. It doesn't have ilife applications uploaded on it. I probably only want iPhoto and maybe iMovie. I've seen ways of downloading for free. Can they be trusted or should I go straight to apple and just purchase? Do you advise I get anti-viral software? X fingers I've never had an attack in my ten years of mac usage. Advice appreciated.