To use the NI License Activator (often referred to as Version 1.2 or part of the 2021 software suite), you typically interact with the official NI License Manager (NILM) or a standalone activation utility. Method 1: Using NI License Manager (Recommended)

NI License Activator: What You Need to Know

Step 6: Activate the NI Software Product

Antivirus Interference: Many antivirus programs flag activators as "Potentially Unwanted Programs" (PUPs). You may need to temporarily disable your real-time protection or add the activator to your exclusion list.

Activating NI Software with a Single-Seat License - NI - Support