Help. Want to change DVR Software 16ch.

Hello, i want to ask anyone, can I change software in my DVR ?

Oh ya my DVR have rebrand in my local country from taiwan but the software have much in many DVR.

This display menu for my software DVR

OS base Linux 2.6

this is my detail version system.

i want to change to this soft version

Can i change that ?

And anyone have this file for update ?