Uni.chromatic Aberration Free Download -

No separate "Uni.Chromatic Aberration" tool is needed – the above will do the job better.

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. uni.chromatic aberration free download