How can I determine if a non-LabVIEW windows program is installed on a computer?

I would like to know how to generate a true/false condition, based on the question of whether a program is installed on a target computer. I have a few applications that must adjust with their features, based on the computer on which they are installed, so I just need to keep a version of the code. The first stage of the program would be to check the program files (x 86) program or the registry to determine if the program is installed. The result will move to the next step, which is that if the program is not present, then is a specific GPIB device attached? I think I can determine that in trying to initialize the device and reading a cluster of error. What I have a problem with is to determine if a program related non - National Instruments is installed on the target computer. Any direction toward the solution is greatly appreciated.

All methods:

http://zone.NI.com/reference/en-XX/help/371361J-01/Glang/windows_registry_access_vi/

Exasmple:

https://decibel.NI.com/content/docs/doc-12290

Tags: NI Software

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