Absence of order confirmation email

Good Night,

I made the application for 2 years of avast anti virus, and it was paid in 1x in the ticket (made by the PC application), it was not necessary to log in or something of the genre, but nothing was sent to my email or even a copy Of the ticket or order

can you help me?

https://www.avast.com/faq.php?article=AVKB24