Do you mean you're on a mac? To take a screenshot press Shift, Command, 4 then highlight the area you want to take a screenshot of! If you want the own screen press Shift, Command, 3. ^_^ Hope this helped!
HellO Jammers! Just so you know, NO SWEARING, CUSSING OR CURSING! Do you guys remember that person who I removed their comment? They were swearing! (I'm pretty sure that was that stupid kid at my school named Ian Cooper aka Pooper) And if you break the Budder Rule, (Budder........) I WILL FLIP YOU OVER!!! FIRST THE TABLE!!!(ﾉಥ益ಥ）ﾉ ┻━┻┬──┬◡ﾉ(° -°ﾉ)(╯°Д°）╯︵/(.□ . \)