Follow the directions that came with your printer.
HP Easy Start is supposed to make installing your printer easy. If you want to use this software, do the following:
1. If HP Easy Start isn't already on your computer, click "Download Now" here: https://support.hp.com/us-en/drivers/selfservice/swdetails/hp-easy-start/7376041/swItemId/mp-252085-1
2. Double-click the file you downloaded (HPEasyStart_11_5_4644_17.exe)
3. Follow the on-screen instructions.