Supported versions of macOS

C039 is only supporting mac OS 10.9 / 10.10 / 10.11 / 10.12  ,AVerMedia stopped providing updates for macOS 10.13,10.14
Download the latest software version,
http://storage.avermedia.com/web_release_www/CV710/RECentral_v1.2.21_1206.zip

We are Apologize to cause your inconvenience, and thank you for understanding!