Hello @PROF.GOJPCIT0066
This doesn't necessarily mean the program is harmful.
If the program has an unknown publisher, it doesn't have a valid digital signature from its publisher. It's an attempt by Microsoft to let users become aware of when they are downloading files from sites not "approved" via MS Windows.
If you trust the site that this is coming from, then it shouldn't be a problem. But always make sure your downloading from a reputable source.
Your anti-virus will indeed be of use should you accidentally download some malware.
Best Regards
Karlie
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