I notice you're asking in Spanish about downloading a "ns1 plugin" for free ("upd" likely means "updated" or "update"). However, I don't have enough context to identify exactly which plugin or software you're referring to.
An incredible AI-powered tool for removing noise and reverb. ReaFir (part of ReaPlugs): A powerful FFT-based noise reduction tool. Conclusion descargar plugin ns1 gratis upd