How To Write A Letter Using My Laptop . Looking for a simple word processor for free ? Opening wordpad click on the start icon, which should be located at the bottom left corner of the screen. Windows 10 Tips and tricks Basic word processor to write letters and from www.youtube.com Cortana will find these desktop apps for you. In this video i would show you how to write a letter on your pc and print the letter out to send. In the search box, type “wordpad” and then enter.