1. Close Final Draft.
2a. On Windows 8, in the Start screen, type "Control Panel" (without quotes) and click on the Control Panel tile to select it; Choose Appearance and Personalization > Display > Make text and other items larger or smaller.
2b. On older Windows computers, go to Start > Control Panel > Appearance and Personalization > Display > Make it easier to read what's on your screen.
3. If the radio button is not set to Smaller - 100% (default), choose that and then click Apply.
4. Reopen Final Draft and everything should look sharper.