The free version of FL Studio, known as the FL Studio Demo, allows users to access all of the software’s features but with some limitations. The primary restriction is that you cannot reopen saved projects once you close the application, which means you must finish your work in one session. Paid versions, such as the Fruity Edition, Producer Edition, and Signature Bundle, remove this limitation and offer additional features like advanced plugins, more effects, and lifetime free updates. Each paid version also comes with various additional tools and content to enhance your music production experience.