To setup HP Deskjet plus 4100 to wireless network first time, you need to unbox the printer, connect the printer to the power cord, install ink cartridges, and load the paper. If you have already done that now it is the time to download the printer drivers from 123.hp.com/setup.
Now in case if you want to setup HP printers to wireless, please make sure that your pc is also connected to the same Wireless network.
How to install HP Deskjet plus 4100 software:
First, you need to go to 123.hp.com/setup or https://support.hp.com/in-en/drivers.
Now you need to enter your printer name which is Deskjet plus 4100 or any other.
Here you can download the HP Smart App or HP Easy Start Printer Setup Software.
Then follow the on-screen instruction to connect your printer to wireless.
Video Credit: HP
You can follow the same instruction to set up the following HP printers:
HP DeskJet 2710, 2720, 2721, 2722, 2723, 2724, 2732, 2752, 2755, DeskJet Ink Advantage 2775, 2776, DeskJet Plus 4110, 4120, 4122, 4130, 4140, 4152, 4155, and 4158 All-in-One printers.