Changing a sound

Hi
I am new to cubase (version pro 10.5). Probably a basic question: If you insert a VST instrument from the media tab as a track, let’s say a flute, is there a quick way to change the sound of the track to another instrument without inserting a new track? Or a way you can quickly flick through a lot of instruments to hear the track melody played by different instrument?

Thanks if you can help