If cost is a barrier, National Instruments offers several official paths to use their software legally: LabVIEW Community Edition:
If you are a system administrator managing a Volume License install on legacy machines, NI License Activator can be a handy shortcut for offline activation. However, for the general user, It is technically a "crack" tool, it poses security risks to your system, and it does not function with current versions of NI software. If you need LabVIEW for legitimate work, using the free community edition or the official web-based licensing is the safer and correct path. ni license activator 13