The fix hacked wordpress Codex has an outline of what permissions are okay. File and directory permissions can be changed either via an FTP client or within the administrative page from your web host.
The one I recommend, and the approach, is to use one of the password creation and storage plugins available on your browser. I think after a free trial period, you have to pay for it, although people like RoboForm. I use the free version of Lastpass, and I recommend it for those who use Internet Explorer or Firefox. That will generate secure passwords for you; you then use one master password to log in.
You must create a user before you can delete the default admin account. To do this go to your WordPress Dashboard and click on User -> Create New User. Enter all the information you will need to enter.
Now we're getting visit this website into matters. You have to rename site here it to config.php and modify the document config-sample.php, when you install WordPress. You will need to set up the database facts there.
But realize that online security is something that you must start thinking about. Do not just be the type that is reactive, take steps to start today, protecting yourself. Don't let Joe the Hacker make your life miserable and turn everything in creating come crashing down in a matter of moments, that you've my latest blog post worked hard.