1) for getting in to the computer it's her dog's name then the yr she was born (hint: she wasn't born in 2000, that was when the wallpaper photo was taken so her 8th bday)
2) if ur talking abt the zip files then in the chats she tells em to drag the music player over the box on the wallpaper so listen to the songs in that order and pay attention to the numbers in the lyrics, if ur still stuck spoiler below
if ur still stuck: 1) Scotty1992 2) 7436