To display or hide the plug-in's window, click once on the NI plug-in's name in the Channel rack. Once loaded in the FL Studio Channel rack, the audio output is automatically routed to FL Studio's master output. So you will not need to install extra plugins to use Soundfonts into your FL Studio. Right-click on the plug-in you want to use and select Open in a new channel in the context menu. FL Studio includes the Fruity SoundFont Player, an advanced sampler which can load SoundFont2 instruments. Here you will find a list of all your installed VST plug-ins, including your NI plug-ins like Kontakt. In the Browser, navigate to the Plug-in database > Installed > Generators > VST. Click the Plug-in database symbol in the FL Studio Browser. To learn how to use FL Studio to insert Kontakt, follow these steps: Kontakt is a sampling platform that gives you new instruments and new features under the hood–so you can layer, link, stretch, and shape your sounds any way you can imagine. With KONTAKT, you can sound like a snare drum, a symphony orchestra, or anything in between, from a universe of sampled instruments. SoundFonts are a file format that use sample-based synthesis to play MIDI files.

How to use soundfonts in fl studio 20