HP DeskJet 820C Series Driver for Windows 3.1x and Windows 95. Minimum system requirements for Windows 3.1x are 386 Enhanced Mode with 4 MB RAM. Minimum system requirements for Windows 95 are 386 Enhanced Mode with 8 MB RAM. Installation Instructions: Save the .exe file for your operating system to your hard drive, and double-click on it. This will expand the files and start the driver installation process automatically.
Operating system(s): Microsoft Windows 3.11,Microsoft Windows 3.1