If your Avira account differs from your PayPal address you have to change the delivery address at the last step of your order.
Otherwise, you will have 2 different Avira accounts. Your existing account and the new account with the purchased license with the same email address as your PayPal account.
Change the delivery address
- Proceed your order as usually.
- At the last step edit, the "Delivery Address" to your existing Avira account email address.