Hi, I'm Nathan.Sorry to hear that you're having trouble with this but I'll do my best to help you.
Did you actually install the cartridge already? Or are stuck on how to do so?
Do you need more help with this, Anita?If so, simply reply back on this page.
Please note: You have already paid your fee to the site; I'd like to help you and provide value for that fee, but I do need to communicate with you here to do so.