FL Studio 20 for Mac was distributed as a .dmg disk image, not a ZIP. Some users convert DMG to ZIP, but the application must be moved to the Applications folder.
Understanding which category you fall into will determine the safest path forward.
This portable method works only on Windows and may not retain all plugin registrations. It is intended for personal, licensed use only.
The safest way to acquire a "zip file" version of FL Studio 20 is through official developer channels. This ensures the files are free from malware often found on unofficial "cracked" sites.
Once you've extracted the zip file, follow these steps to install FL Studio 20: