NOTE: IF YOU ARE NOT ABLE TO DO STEP 4, YOU NEED TO UPGRADE YOUR MAC OS (GO TO THE APP STORE AND CLICK UPDATES)
1. Open Silhouette and type your word in Samantha
2. Highlight the letter you want to change.
3. Open Font Book. (Use the magnifying glass in the upper right corner to open the search menu and search for Font Book)
4. Find Samantha. Select the letter you want and copy it. (shortcut CMD-C)
5. Go back to the Studio window and paste it.