Insert Voxengo Recorder on the mixer track you want to record
Route the desired audio source to that mixer track
Open the Voxengo Recorder plugin window
Choose the recording format and destination folder
Set the recording mode to manual or automatic as needed
Arm recording in Voxengo Recorder
Start playback or recording in FL Studio
Stop recording when finished
Check the saved audio file in the selected folder
Drag the recorded file into FL Studio if you want to edit it
Adjust buffer and latency settings if recording is delayed or unstable
Save the project after confirming the recording is correct