Finally, clean hacked wordpress site will tell you that there's not any htaccess in the directory. You may put a.htaccess file if you wish, and you can use it to control access to the wp-admin directory by IP address or address range. Details of how to do this are available on the net.
No software system read this post here is resistant to vulnerabilities and bugs. Security holes will be found and men will do their best to exploit them. Keeping your software up-to-date is a good way once security holes are found because their products will be fixed by software sellers.
Before you can delete the default admin account, you need to create a new user. 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 are getting into things. Whenever you install WordPress, you need to edit the document config-sample.php and rename it to config.php. You need to set up the database details there.
Of course you can set up plugins to make your shop like share buttons or automated plugin. That's all. Your store is now up and running!