help for navcore

Hi, I am new with TOMTOM.
I know how to instal garmin, igo, Sygic etc but i don't know TomTom.
I found this table in this forum and i saw I must know navcore version.
I don't know what is navcore and how can I find version number?

my device is:

TTGO.BIF:
DeviceName=TomTom ONE
DeviceVersionHW=ONE (v8)
BootLoaderVersion=55019
ApplicationVersionVersionNumber=8014
ApplicationVersion=9372
CurrentMap=DE_AT_CH_and_Eastern_Europe
CurrentMapVersion=725.1905
TTGO.BAK:
Not Found...
TTGO.ORI:
Not Found...
TTNAVIGATOR.BIF:
Not Found...

Krky wrote:and i saw I must know navcore version.
I don't know what is navcore and how can I find version number?

my device is:

TTGO.BIF:
ApplicationVersionVersionNumber=8014

navcore = operating system

Yours is version 8.014