No access to my old E-mail that I used for the purchase

• There is no way for us this way to verify your ownership of the E-mail and the license
• If you reset your password and manage to enter the E-mail you can use
  • https://iristech.co/faq/how-to-request-ownership-of-trial-or-license/
  • To move the ownership of your license to a new E-mail
• You can also buy a new license and when you change your E-mail again, make sure to change the ownership also to the new E-mail

Answers also

•  I used an old email address to purchase that I no longer have access to