On a Windows computer, the VST versions of the software can be installed to any location on your hard drive. Note: Watch this video for more information about managing VST plug-ins on Windows computers. You will then be able to use your NI plug-ins within FL Studio. In FL Studio, Native Instruments software can be inserted via the VST plug-in interface. This article explains how to let FL Studio scan the folder where your NI VST plug-ins are installed.