Historically, installers relied on regional text-heavy directories like the older Europe or UK portals. However, to combat the rise of counterfeit software, Hikvision shifted to unified, security-vetted ecosystem channels.
Export your device settings before starting. hikvision firmware download portal verified
If you want to move forward with updating your devices, let me know: What is the of your Hikvision device? What firmware version is it currently running? Hikvision shifted to unified