Sorry, after I purchased it.
I didn’t receive the file in my mailbox
Don't know what happened?,(´;ω;`)
When purchasing without an account, your purchase is tied to your email address. If you used PayPal, it’s your PayPal email address. If you used a credit card, it’s the email address you provided when you made the purchase.
After purchase, two things happen:
support@itch.io confirming your transaction. This email contains a link to your purchase page.