Here’s a helpful feature summary for downloading and using the LabVIEW Runtime Engine 8.5.1 in 2021 (and similar contexts):
What it is
host mirrored installers for version 8.5, though official NI sources are always recommended for security. National Instruments Critical Compatibility & Usage Notes Version Specificity : LabVIEW executables are not forward-compatible labview runtime engine 85 1 download 2021
No. The runtime engine is free and does not require activation. Only the full LabVIEW development environment needs a license. Here’s a helpful feature summary for downloading and
Short answer: Yes, with caveats.
Side-by-Side Installation: You can install multiple versions of the LabVIEW RTE on a single machine as long as they have different major version numbers. The runtime engine is free and does not require activation