To save you hours of frustration, here are the officially supported dongles. If you own one of these, the driver is either built-in or available via a firmware update.
This video demonstrates how to connect and configure a Wi‑Fi USB dongle on a Hikvision DVR, covering steps to plug in the adapter, Hikvision Technical Support HIKVISION Wireless USB Adapter network drivers - DriverHub hikvision wifi dongle driver download
Check the sticker on your NVR or IP camera (e.g., DS-7608NXI-I2/8P or DS-2CD2347G2-LU ). Write down the exact model and the current firmware version found in the menu under Maintenance > System Info . To save you hours of frustration, here are