HP Deskjet 680c Printer
HP DeskJet 680C Series Printer Software Upgrade Version 11.0 for Windows 3.1x/95/98/Me. This new driver upgrade adds HP's ColorSmart II technology to the HP DeskJet printing system.
Save the .exe file to your hard drive, in an empty directory. Double-click on it. The file will expand and automatically begin the installation process. Follow the instructions on the screen. If the installation process does not automatically begin, go to the directory where the file was saved, open disk 1, then double-click on setup.exe.