If Login information is not received, search it in the spam. Yet not received, then Contact support team
If you couldn’t login at WpBlazer, Please try to reset the password. If your email is not registered then, Contact the support team
Check your license for whether you actually met limit, if so buy advanced license to add unlimited sites.
If not, contact support team.
Want to change your email address, Contact support team
In Every Page of WpBlazer site, you can find tutorial video button. It explains how to do the according task