This is a specific technical request. Agilent does not host firmware files on a public, open-access link (you usually need a support contract or login). However, you can create for a blog, knowledge base, or support document around that search intent.
"I need to download firmware for my Agilent 1260 Infinity II. Where is the official link?" agilent hplc firmware download
Unlike drivers for a printer, HPLC firmware is instrument-specific. Installing the wrong version (e.g., 1100 series firmware on a 1260 module) or a corrupted file will permanently damage the instrument's EPROM. Agilent does not host these files on anonymous FTP servers. This is a specific technical request