FLStudio on the installer download page
If your system meets the minimum system requirements your actual system resources (memory, CPU speed) that will impose limits on your FLStudio projects. See here for more information on choosing good PC for FL ...
FLStudio Mobile HD on my iPhone a while ago, and I've been wanting to get it on my Windows 10 PC. I don't have enough money to re-purchase again, and I have bought it on my iPhone ...