Modern 64-bit versions of Windows often block these drivers due to "Core Isolation" or "Memory Integrity" features, as the drivers are not digitally signed. Manual Installation: Open Device Manager .
: Because the HW104 is a 4-channel card, Windows may try to install a driver for each channel individually. You must click hawell dvr card hw104 driver link
Check your card revision. If it says "HW-104R" (Rev 2.0+), it uses a Novatek chip, which requires a different firmware. Leave a comment below with your Hardware ID (found in Device Manager > Details > Hardware Ids: PCI\VEN_... ), and I will find the specific .inf file for you. Modern 64-bit versions of Windows often block these