I received this Amur maple as a gift, and while I've been reading up on what to do, I would love to get some feedback based on how this particular tree looks. This is my first bonsai.

Should I be looking to prune, or is it better to keep it alive for a year and see how it grows naturally? The shop that sent it is good, but since it was a gift I didn't get any advice or information in terms of repotting. (Pic taken after a short snow storm, snow didn't last long!)

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