The chrome feed doesn’t run on QuickFile itself, but more of on the Internet banking pages.
You need to enable it on the account first of all and get an import key (as shown here)
Then when you visit the relevant banking page. You can either do this manually, or preferably visit the page using the plug in itself:
It will then prompt you to enter your settings (as shown here) and use the ‘Export to QuickFile’ button as per the guide.
I hope that clears it up for you, but if there are any particular areas you need help with, please let me know.