Thank you for posting your query, I'll be more than glad to help you out
I look forward to hearing from to HP Forums, this is a great place to get support, find answers and tips, Please respond to this post with any concerns you may have. If you're running Mac OS 10.8, click here to download and install the HP Software.Therefore, the software and drivers are not available. If you're running Mac OS X 10.6, it is not compatible.Eventually, you will run into these type of limitations when trying to use new technology with an older operating system. The earliest software and driver released for this printer is for Mac OS X 10.8. I understand the frustration that you're experiencing. If you wish to say 'thanks' for my effort to help, click the 'thumbs up' to give me a Kudos. I will certainly do my best to help you and please remember to return to this thread and mark 'Accept as Solution', if I have successfully helped you resolve the issue.
I see that you're looking for software and drivers for your new HP DeskJet Ink Advantage 3635 All-in-One Printer. Hi for showing interest in the HP Support Forums!