The HP driver support for the HP DesignJet 450C printer series was closed with the Windows XP 32bit driver, on 8 March 2004, but is it still possible to run a installation of the printer on the latest Microsoft Windows Edition, Windows 10, 64bit. This tutorial gives you a overview about the installation of a HP DesignJet 450C on Windows 10, 64bit, which works for us fine. But be carefull, we don't assume any liability for damage of your computer, your os or other software. Step1: Download following hp driver, which you can find here: pln532en Step2: Unzip the driver package,...