The setup process goes through the following steps. This information is provided in case you need to do a manual installation or if you need to reinstall and want to set the system back to its original state.
Steps
Creates the WPMultiSite Configuration File
Creates the config.php file and modifies the settings as required. (wpms/functions/config.php)
Setups up the Admin account Info
Creates admin user info using the admin name and password info you provide.
Setups Database Info
Sets the database info used by the script to access the database tables.
Creates Database Tables
Setup Tables
Creates the following tables: domains, login_users & login_levels.
Setup Admin
Creates an admin user using the admin name and password that you provided.
Inserts Code Into The Configuration File (This is VERY IMPORTANT)
The goal of this step is to insert a bit of code into the existing wp-config.php file.