Updating WordPress Manually

After having multiple attempts to update WordPress automatically, my only hope is to do a manual update. However, I’m finding the instruction on the official page rather confusing.

1. Get the latest WordPress zip (or tar.gz) file.
(I did this)

2. Unpack the zip file that you downloaded.
(No problem)

3. Deactivate plugins.
(Easy peasy)

4. Delete the old wp-includes and wp-admin directories on your web host (through your FTP or shell access).
(A piece of cake)

5. Using FTP or your shell access, upload the new wp-includes and wp-admin directories to your web host, in place of the previously deleted directories.
(Great)

6. Upload the individual files from the new wp-content folder to your existing wp-content folder, overwriting existing files…(Woah!!! – can smeone tell me the difference between my new and my existing folder – my existing one IS my new one. And what’s with this switching from using ‘directory’ in step 5, to using ‘folder’ in step 6 mullarkey?)

Do NOT delete your existing wp-content folder. Do NOT delete any files or folders in your existing wp-content directory (except for the one being overwritten by new files). (Woah!!! – there you go with that existing and new thing again…surely they’re one and the same?)

7. Upload all new loose files from the root directory of the new version to your existing wordpress root directory.
(I didn’t get this far. I have no idea what is new and what is existing anymore!)

Can anyone clarify what I’m supposed to do?

The page I need help with: [log in to see the link]