I don't know which device you are on but here is some usefull information: https://support.apple.com/en-us/HT204530 Best thing to do is just to e-mail ATA at support@athinkingape.com I hope this helped! ^_^
You can't. All purchases are tied to a specific account rather than a device. If you are having trouble logging into sed account, email the support team, otherwise, you shalnt lose your propacks