There would be no damage. Many many users have confirmed the 32 gig limit. Worst case, it just does not work but would not hurt anything. But it will work.
Not sure of your level of technical abilities. The back cover can be a bit tricky to get off and you have to observe some basic anti-static precautions but its not terribly difficult as compared to say a motherboard replacement. We can provide written manuals and probably videos that would help do the memory upgrade.
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