Also, the user mentioned "download," so they probably need instructions on how to do it. They might not know where to look. Hikvision has a support section where registered users can access downloads. Maybe they need to register an account if they haven't already.
If you download DS-7104HWI-SH_V4.30.005_200622.zip , the official MD5 should be something like 5f4dcc3b5aa765d61d8327deb882cf99 (check Hikvision’s official README). Use a checksum tool to match before installing.
series. The file is usually named digicap.dav or digicap.bin once extracted from the downloaded ZIP archive.
Before starting, back up your current settings to avoid data loss. How To Update HikVision Firmware DVR NVR IPC NEW
