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You can download latest FIRMWARE(updates) and the latest drivers for your products.
It sounds like you're looking for a useful guide on (the colored fringing in lenses/photos), and also a way to download software or tools to correct it for free —possibly referencing a tool called "Uni.Chromatic Aberration" or similar.
No separate "Uni.Chromatic Aberration" tool is needed – the above will do the job better.