The laptop was later confirmed to be legit by several outlets: https://www.nytimes.com/2022/03/16/us/politics/hunter-biden-...

Several of the emails found on the laptop make it look as though Hunter was selling influence/access to his father to foreign companies and other foreign entities. Whether or not Joe was in on it is not certain, but several of the foreign parties Hunter was working with certainly seemed to think it got them something of value.