Modify the <filespec> settings to suit your environment. For most folks, the file path will be the only required modification.
CREATE DATABASE admin
ON PRIMARY
( NAME = admin_Data,
FILENAME = 'D:\MSSQL7\data\admin_Data.MDF',
SIZE = 1600 KB,
MAXSIZE = Unlimited,
FILEGROWTH = 10% )
LOG ON
( NAME = admin_Log,
FILENAME = 'd:\MSSQL7\data\admin_Log.LDF',
SIZE = 1024 KB,
MAXSIZE = Unlimited,
FILEGROWTH = 10% )