By visiting HP official website you can easily get the HP Envy 5540 printer driver for free. You need to search then select the appropriate HP printer driver only the one which is compatible for your current windows operating system. There you will find a complete list of operating systems for your HP Envy 5540 printer from there you need to mark the windows version which you using and then start the downloading of your driver and once it will be downloaded complete then you need to run that and follow the on-screen steps and install the HP Envy 5540 printer software driver. https://simplyassist.us/123-hp-com-setup-envy5540/