Option 1: You can use sandybox. All you need is 2 controler or 1 controler and 1 keyboard/mouse. I've played V1.0 that way and it's extremely easy to set up. Option 2 : You use Windows! as explained in previous post. FFXIV ARR has a setup option to choose which controler you want to use so it's simple enough already. I used to play with my wife and V1.0 was taxing way more than ARR Back then i only had 3x 9800 GTX+ in sli. So i highly doubt a high end top pc would have a hard time running ARR x2.