The latest installers for the newest versions (like FL Studio 2024 or 2025) officially recommend macOS 10.15 Catalina or newer . However, older sub-versions of FL Studio 21 often still run on 10.13.6, though they are technically "unsupported" by Image-Line.
If you have a valid license, you are entitled to , which also grants access to older versions. fl studio 21 para mac high sierra full