Try reading a couple articles. The original Post article answers every one of your questions, in detail.
https://nypost.com/2020/10/14/email-reveals-how-hunter-biden-introduced-ukrainian-biz-man-to-dad/
The computer was dropped off at a repair shop in Biden’s home state of Delaware in April 2019, according to the store’s owner.
Other material extracted from the computer includes a raunchy, 12-minute video that appears to show Hunter, who’s admitted struggling with addiction problems, smoking crack while engaged in a sex act with an unidentified woman, as well as numerous other sexually explicit images.
The customer who brought in the water-damaged MacBook Pro for repair never paid for the service or retrieved it or a hard drive on which its contents were stored, according to the shop owner, who said he tried repeatedly to contact the client.
The shop owner couldn’t positively identify the customer as Hunter Biden, but said the laptop bore a sticker from the Beau Biden Foundation, named after Hunter’s late brother and former Delaware attorney general.
Photos of a Delaware federal subpoena given to The Post show that both the computer and hard drive were seized by the FBI in December, after the shop’s owner says he alerted the feds to their existence. [More at link]