Pokud sis MC koupil a musel sis tehdy vytvořit MOJANG účet, tak musíš na stránce "forgot password" zažádat o reset v sekci Mojang účet.
je to zde:If you use a Mojang account to log in to this site, you need to go to the Mojang account website to reset your account password. This also applies if you previously have migrated your Minecraft account.
account.mojang.com