1. Create an SQL database 'pklasku'. 2. Push the contents of /usr/share/pklasku/CREATESQL to the database. The file encoding is ISO-8859-1 (Latin-1). 3. Edit /etc/pklasku/sqlfuncs.php to contain the correct SQL credentials. 4. Log in with default credentials admin admin. 5. Go to System->Käyttäjät and change the Administrator credentials. 6. If you use the interface through https://, change the protocol in the file /etc/pklasku/sqlfuncs.php.