On your keyboard and press the button 3 in the upper part of your keyboard.... 0. 0. Ahahaha,, just try to press the button shift on your keyboard and press the button 3 in the upper part of your keyboard.That`s how you can use hashtag when you want to highlight something.hahaha,, just try to press the button shift on your keyboard and press the button 3 in the upper part of your keyboard. That`s ... read more. You will find the answer here, just point the buttons with the mouse http://symbols.typeit.org/ ...