You should avoid third-party "cracked" sites, as they often contain malware. Instead, use the official archive:
FL Studio 10.0.9 Producer Edition is a legacy version of Image-Line’s Digital Audio Workstation (DAW), released around 2012. While it lacks modern features like the Vectorial UI or advanced Patcher updates, it remains popular for its low CPU usage and "classic" step sequencer workflow. 🎹 Getting Started fl studio 10.0.9 producer edition final