Firmware update DDJ SX3

Firmware is here.

Instructions are here.

What is the problem you're having?

Quando scarico il file non è presente il file che serve per aggiornare il firmware

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Uso google perché ho Windows

I don't understand what you mean when you say there is no file...?

Non c è il file quello .jar che deve avviare l'aggiornamento

The download is a zip file - did you unpack that zip first?

Certo

And do you have Java Runtime Environment installed?

No

That's necessary in order to run a JAR file.

Quindi devo scaricare Java runtime enviroment ?

Yes...