I need a program to install my printer

According to HP, this printer is not supported in Windows 8. Thus, if you are trying to connect using a Windows 8 PC, there are no drivers that are compatible. You may need a new printer. If you have an older operating system, you get go to the link below, select you operating system, and download the "Driver-Product Installation Software". Run this and follow the instructions top install the printer on your new PC.


HP Deskjet 3420 Color Inkjet Printer Drivers

Hi, The alternate driver for 3420 is 3600 which is already bundled on windows system, so you just need to add it. Just follow the steps on this link
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http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?product=75040&lc=en&cc=us&dlc=en&lang=en&cc=us

Choose what Vista is your's in the list,- Vista 32bit or Vista 64bit

http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=181&lc=en&cc=us&dlc=en&tool=softwareCategory&query=Deskjet%203325&product=82029&dest_page=softwareCategory

here u can download driver..

http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=2093&lc=en&dlc=&cc=us&product=1128296&lang=

here u can find the drivers...

Here is a link to HP Support to download the Vista software and driver.

F340 Vista Downloads

Uninstall any current software you have installed and reboot before downloading and installing the new software.

Control Panel

Printers

Add New Printer

Add a local printer

keep as LPT1

Click HP Deskjet 3600 series

Click next

Change name to HP Deskjet 3420

Dont print test page.

Bak to printers

Left click "properties"

Ports

Change to USB

Done:)

You will have to install/update the printer driver for the Toshiba to print.

Driver download link: HP DeskJet 3420 Printer Driver

i want the hp deskjet 3420 installation software free