Verify if you have the Signature Bundle or All Plugins Edition at Image-Line's Pricing Page .
While there is no legal way to download as a separate, free, standalone plugin, you can access it for free within the FL Studio Trial or as part of specific paid editions. How to Get NewTone for Free
: You can download the free FL Studio trial from the official Image-Line website . In this version, NewTone functions in Demo Mode , meaning you can use all its features, but you cannot save your progress within the plugin or export the project.