[1] WinPcap can be downloaded and installed from http://www.winpcap.org but is also included when installing Wireshark, a handy packet capture GUI based on the pcap library. Wireshark can be downloaded and installed from https://www.wireshark.org/#download if required for system debugging.
C:\Windows\System32\
directory.\opencv\build\x64\vc15\bin\
and copy the two library files named opencv_world450.dll and opencv_videoio_ffmpeg450_64.dll into either: C:\Windows\System32\
directory, or C:\Windows\System32\
directory or in the same directory as the application which is calling AxsunOCTCapture.dll. The vcruntime___.dll is a common run-time library which likely already exists on your system from installation of an unrelated program or from your original Windows OS installation (depending on the OS version).