Amad Diallo says he is targeting Premier League and Champions League glory after completing a "dream" move to Manchester United.
United reached an agreement to sign Diallo from Atalanta for £37 million ($51m) on the final day of the summer transfer window.
However, the final deal was subject to personal terms and work permit, with the Red Devils forced to apply for a governing body exemption before the winger could obtain a visa.
Editors' Picks
The Manchester outfit submitted the relevant paperwork on January 1 and received approval on the same day, with Diallo officially becoming the first player to be registered under post-Brexit rules six days later.