If you already have a Blursoft Metaforum, here is the procedure to migrate it to Metafora. This procedure is only applicable the latest release of Blursoft Metaforum. It you don't have the lastest release, we can't confirm the procedure bellow will work.
1 - In phpmyadmin make a backup of your database by copying it. IF YOU DO NOT KNOW HOW TO THAT, DO NOT GO FURTHER AND ASK FOR HELP.
3 - Copy the [forum_to migrate]/engine/core/settings.php file to [metafora_folder]/engine/core folder of your new Metafora folder.
DON'T FORGET TO BACKUP YOUR DATABASE BEFORE LAUCHING THE MIGRATION.Metafora or its administrators can't be held responsible for any data loss that would have happened during the migration process.