Thread: Purchased a car, it come with aftermarket head unit incl. GPS Navigation System

here is all explained:

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if you need any further imputs, feel free to ask

Thanks janch, I have just read that thread, seems straight forward, but I am left with some questions.

The other thread says the below:
Rename folder Primo to RTNavi and Primo.exe to mobilenavigator.exe. Proper sys for Blaupunkt NY 830 in attachment..sys.txt

Just to break it down for a n00b like me,
first step - rename the folder on my microSD from the current name 'Primo' to be 'RTNavi'
second step - rename 'Primo.exe' to 'mobilenavigator.exe'
third step - find sys.txt and overwrite with the attached file? ([Only registered and activated users can see links. ])

Does it matter what my current version is?

Where abouts do I download the latest maps from?

Thanks again for the assistance.