Here’s how to retrieve it:

001N1

Installing as part of the AutoCAD Design Suite Premium requires 768N1 . Installing AutoCAD LT 2022 requires 057N1 .

Using the wrong key will result in an "Invalid Product Key" error during activation. Step 1: Download the Installer View your product license information - Autodesk

The Mechanics of Authorization: Understanding the Serial Number and Product Key Ecosystem in AutoCAD 2022