It is highly recommended, that if you still have not linked your account with your e-mail, to do it as soon as possible. This will avoid losing access to your account in some cases and/or of course help you recover it if you've forgotten it.
In case you've lost your password where you did not link your account with an e-mail, the only way you'll get a new password is by posting a topic here: viewforum.php?f=22
I have decided to come up with this guide as a reminder and a way to show those who still doesn't know how to link their account with an e-mail.
[i]Linking your account with an e-mail of yours![/i]
Write your in-game name (e.g: Benedetto_Spera) and your e-mail. - The boxes' bordures should be green, that means your information are correct. If it's red, then you've misspelled something.
Spoiler
Click "Reset password"
- This should appear:
Login on your e-mail and open the sent confirmation e-mail.