After reading this answer you will never face a problem in downloading hp 4520 drivers. So here we go, at first, you should ensure that your hp 4520 printer is connected with your computer and both should share the same network connection. Now open the browser in your computer and visit 123.hp.com/envy4520, now click “Support” and then click “Download Drivers”. Proceed further and select your region/country and then type HP Envy 4520 Printer in “Enter your Product name” and then click “Submit”. Thereafter .exe file will be downloaded to your computer, finally double click on and run the extension file. This computer the downloading of Hp 4520 drivers.