From the last four or three months, My HP envy 4520 printer is not performing well. When I provide an appropriate command to my HP envy 4520 printer for printing the documents, my HP envy 4520 printer is not responding properly. My HP envy 4520 printer is performing poorly, so I am not getting clear print outs. It has become a big technical problem for me, so I want to upgrade HP envy 4520 driver to the newest version. I don’t have much experience to upgrade the driver to the latest version. So anyone can recommend the simple ways to upgrade the latest version of hp envy 4520 driver.