O FL Studio não tem versão para Linux. De acordo com o website, os requisitos do sistema são:
2Ghz Intel Pentium 4 / AMD Athlon 64 (or later) compatible CPU with full SSE2 support. The faster your CPU and more cores it has the more you will be able to do simultaneously. Download and test the trial / demo!
32 or 64 Bit versions of Windows 10/8.0/8.1/7, Vista, XP (service pack 3)
(or) Intel Mac with Boot Camp / Windows.
Running XP (service pack 3), Vista or Windows 10/8.0/8.1/7 (in 32 or 64 Bit)
(or) Intel Mac with OS X 10.8 or 10.9 for the FL Studio Mac OS X BETA (Crossover Wrapped)
Attention: Yosemite not supported.
1 Gb or more RAM recommended
1 Gb free disk space
Soundcard with DirectSound drivers. ASIO/ASIO2 compatible required for audio recording (FL Studio installs with generic ASIO4ALL drivers)
Você pode tentar instalá-lo usando WINE, mas não há garantia de que funcionará. Considere usar software alternativo que tenha suporte para distribuições Linux