InfinityFree Web space, phpmyadmin not found

My website is . When I add /phpmyadmin to set up the database so it’s but the page is not found 404. How can i come to phpmyadmin? Or can i upload with FTP by Filezilla, then what is the installation assistent file to start the process?

There’s phpmyadmin in vPanel → MySQL Databases, you can manage databases with it.