www.makemkv.com

I acn find my payment invoice but how do I receive my rego number again. I cant find it anywhere and have re formatted
Any help appreciated

Check your email for messages from avangate.com, which is where the original registration number would come from.

Barring that, email your contact information, including the email address you used to order the key, to support@makemkv.com and Mike can take care of you.