Though the commercial version requires a license, LabVIEW 2020 coincided with NI’s move to offer a free Community Edition for non-commercial use. The SP1 update ensures that Community Edition users have all the same stability patches as paid users.
At least 2 GB of RAM (minimum) and approximately 1.1 GB of disk space for a complete installation .
: Uses a "Block Diagram" approach where functional blocks are connected by lines representing data flow, rather than line-by-line text code. Introduction of Interfaces