Blue Iris 5.3.8.17 -x64--eng--portable- | PROVEN ◉ |

You're looking for information on a specific software version. Here's what I found:

Blue Iris is a popular software for IP camera surveillance and video recording. The version you mentioned appears to be a portable English version for 64-bit systems (x64). Blue Iris 5.3.8.17 -x64--ENG--Portable-