What are the alternatives to downloading Comic Sans MS if it's not on my system?

If Comic Sans MS is not readily available, you can consider similar casual or handwritten-style fonts. Many free and paid font libraries offer alternatives. Some popular options include "KG Primary Penmanship," "Lemon/Milk," "Bubblegum Sans," and various other fonts found on sites like Google Fonts or DaFont that mimic a friendly, informal appearance.