Press the Alt key and hold it down while you type in the three-digit number listed below. When you release the Alt key, the accented character will appear. (You must use the numeric keypad on the right side of your keyboard, not the number keys on the top row. Please make sure the number lock key has been pushed, and that the light is on designating that.)
¡ Press ctrl + alt + shift + ! (all at the same time)
¡ = option !
ñ = option, letter n, release, type the letter you want
¿ = shift, option, ?
ó = option , letter e, release, type the vowel you want