Square Enix's official Windowed Mode may cause some older systems to become noticeably more sluggish, but if you're running a PC from within the last 2-3 years with a dedicated video card, you probably won't experience the lag.
So yes, if you have an older PC, do a google for Windower.
____________________________ All jobs at level 99 Bard 4 Life Hanging out in the Ionosphere these days
::Finale II HNM
Daurdabla 85 completed 3-18-2013 *** Gjallarhorn 95
(Zelduh)'s won the argument by going so far off the deep end that no one is willing to follow.