Since Keysight inherited the support infrastructure, this is the primary source for almost all test equipment.
If you are looking for Life Sciences, Chemical Analysis, or very old legacy equipment, use Agilent proper. agilent firmware download
| File Extension | Instrument Type | Installation Method | | :--- | :--- | :--- | | | PC-based instruments / Modules | Run directly on a connected PC. | | .iso / .zip | Oscilloscopes / Analyzers | Extract and copy to a USB Flash Drive or burn to a CD-ROM . | | .hex / .bin | Power Supplies / Meters | Uploaded via the instrument's Utility menu (using RS232, GPIB, or USB). | | .ksx | Keysight/Agilent Scopes | Proprietary update file placed on a USB stick; recognized automatically by the scope's "File Explorer." | Since Keysight inherited the support infrastructure, this is