Right-click the relevant hardware and select , then point it to the folder where you extracted the zip files. For DVR/NVR Systems :
Insert the USB into the device and navigate to . For PC Components (Drivers) : Open Device Manager on Windows. Download systems k40DLVIF zip
Depending on what the "k40" device is, you likely need one of these methods: : Copy the extracted file to a FAT32-formatted USB drive. Right-click the relevant hardware and select , then