Best Free Floating laminate floor

What's the best laminate floor to install in a kitchen, I have dogs so scratches from toe nails are a concern.
Is there a laminate that if installed in a kitchen and a knife is dropped , can it be repaired with a crayon type stick to hide the damage?
I am looking for a floating non-glue install.
Do the manufactures of the floors have a decent install video.
Thanks.
Tom
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