Double click on your favorite Internet browser (Explorer, Chrome, Firefox, Opera).
WARNING: You must have an active Internet connection for this to work!
To no one in particular (wink wink), if you feel you may have spelling issues, may I recommend Mozilla Firefox or Google Chrome (I prefer the latter)? They automatically notify you if you are spelling something funny with the same squiggly lines under it that you'd see using Word. It can be very handy ;)