/ezdrummer-2-vst-plugin.html. VST (Virtual Studio Technology) is a software plug-in format developed by Steinberg. These plug-ins generally come in one of three types: instruments, audio processors, or midi processors. They are among the most ubiquitous plug-in formats, and are what most people refer to when the term “software plug-in” is discussed. How To Categorize AU & VST Plugins in FL Studio To categorize your plugins so you can find the right one for the genre you're creating, go to the file browser to the left and to Plugin database. Under that go to either generators or effects and right-click. Press open and then make the folder you want to put a specific type of plugin into. 32-bit plug-ins on 64-bit Windows: C:Program Files (x86)Common FilesVST2. Any other folder your VST host application is scanning during startup by default is also suitable. But, to keep plug-in installations independent from a specific VST host release, never install plug-ins into the program folder of the VST. Try creating a designated Plugins folder that organizes all of your favorite and most frequently used tools categorically rather than by brand or manufacturer. 32-bit plug-ins on 64-bit Windows: C: Program Files (x86) Common Files VST2. Any other folder your VST host application is scanning during startup by default is also suitable. But, to keep plug-in installations independent from a specific VST host release, never install plug-ins into the program folder of the VST host application or any other.