How to access ZM-SS78D9D8 via local LAN only?

I will be setting up a ZM-SS78D9D8 in a cabin with no Internet access, since it will be in a hidden location, usage of HDMI or Mouse is not possible; how can I access it via a Local Network with no internet access?

NVR —> Home Router —> PC
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V
NO INTERNET

ZMODO does not care? no answer?