Ancient silicon, legacy PCI data acquisition (DAQ) cards, and older GPIB interfaces lack modern 64-bit drivers. They require the exact architecture of RTE 6.1.
Installing LabView 6.1 Runtime on Win 7 64 bit - NI Community labview runtime engine 61 exclusive
The LabVIEW Runtime Engine provides the underlying low-level libraries, memory management, and graphical user interface (UI) rendering data needed to execute Virtual Instruments (VIs) on computers that do not have the expensive, full development suite installed. Ancient silicon, legacy PCI data acquisition (DAQ) cards,