Before diving into the "Air" and "New" aspects, let’s establish what Nexus 2.2.1 actually is.

The search terms you provided refer to a widely circulated of the reFX Nexus 2.2.1 synthesizer, which utilized a cracked version of the AiR eLicenser emulator . Content Overview

This search term refers to a specific pirated release of the popular VST synthesizer by the group AIR , including a modified version of the eLicenser software (version 2.2.1) intended to bypass copy protection.

I can then suggest the most stable way to get those classic Nexus sounds into your current projects.