dhi-nvr4208-8p-4k

can someone help me, i can't find multilanguage software anywhere for the nvr4208-8p-4k, dahua send me the version 4k2s but it doesnt upgrade my nvr, everytime it says upgrade failed at the start, does anyone know where i can find it or does anyone have it?

I have been wanting to install surveillance cameras for years and am finally ready to dive in (and already pulled some Cat 6 while working other projects). After reading these forums, I have decided on a Dahua NVR and Dahua cameras, with an 8 camera system being adequate, and I currently plan on...