Take a look at: https://download.ni.com/#support/labview/windows/runtime/ 0 Kudos. Message 6 of 7. (6,928 Views) NI Community LabVIEW Runtime Download - NI - National Instruments

Before diving into the download specifics, it is crucial to understand what the LabVIEW Runtime Engine is—and what it is not.

| Method | Availability | Risk | |--------|--------------|------| | | Removed | N/A | | NI’s FTP (ftp.ni.com) | Partial – some 8.5 files remain, but 8.5.1 runtime is gone | Low (if you find it) | | NI’s VIPM repository | ✅ Yes – open VI Package Manager, search “LabVIEW Runtime 8.5.1” | Safe | | Third-party sites (e.g., OldVersion.com, Archive.org) | ✅ Yes but unverified | High (malware risk) | | Request from NI support | ✅ Only if you have an active SSP (Standard Service Program) | Safe |