Hello Sandra,My name is ***** ***** I'll be happy to assist you today.The driver for the Officejet 4620 can be found here: http://support.hp.com/us-en/drivers/selfservice/HP-Officejet-4620-e-All-in-One-Printer-series/5101229/model/5101234
You have an option of downloading just the basic driver or the full software suite.This is the current driver available for the Officejet 4620 at this time.
If you would like assistance with installing the driver, I would be happy to start a remote session for you.
Sandra, if I have answered your question, please kindly rate me. Otherwise, if you would like further assistance, please let me know. Thanks!