OK, then you need to save this php file over the existing sample-wp-config.php in the folder you opened it in originally, then simply rename the file wp-config.php (by removing the word 'sample').
Now, access your webspace via ftp, I downloaded and installed
FileZilla Homepage - Index which is free.
Then find the root directory which in my case is called called public_html but it can also be called “httpdocs”, “www”, “http”, “docs”, or “public”.
Open that folder on your webspace, create a new folder called 'blogs' (or alike) and double click to open it, then open the main word press file on your p.c. (still in the ftp programme) and drag and drop all of the content files of word press (including the newly edited wp-config.php) into the newly created 'blogs' folder which now sits within public_html. My ftp decides how to upload files automatically I think, but I believe that binary should be selected for php file transfers which can be selected from the nav bar in ftp programme (Temi?).
Once this is uploaded, close the ftp and type something like... yourwebsite.com/blog or... yourwebsite.com/blog/wp-admin/install.php in your address bar (including the www. of course)
If this brings up an error page, follow the instructions there, check your user name, password etc is typed correctly with no spaces or spelling errors, a good place to go then could be post a question here or on the word press forum (you're likely to get honest help and fast response here) I worked between the two to be honest.
If it worked then you simply follow the on-screen instructions, my own blog needs some attention because of the way the web site was built, in this instance you could try going back to your web designer OR as suggested, you might get a response here or at least someone will maybe point you to somewhere that would be of help.
That's all folks
