The Download Now link will prompt a local download of the Google Chrome extension. To install the extension directly, open the file using your Chrome browser.
HN Unread Comments is an extension for Google Chrome. This extension will keep track of comments you read on Hacker News and then show you which ones are new. It works on the "threads" page and on a individual item.
Full Specifications
What's new in version 1.1
General
ReleaseJanuary 21, 2011
Date AddedNovember 27, 2010
Version1.1
Operating Systems
Operating SystemsWindows 2003, Windows 2000, Windows Vista, Windows, Windows 7, Windows XP