For HP Officejet 5740 Wireless Setup for Windows, you need to know all the necessary details like network name and password. Ascertain your computer has a strong internet connection. Place the router and printer close to each other. Now, tap the wireless option on the control panel and then open the Wireless setup wizard. Choose your network from the list of network names available there. Follow the instructions asked from the HP printer home screen. Install the software by using the CD that came along with the printer, and when the download is finished, run the downloaded HP OfficeJet 5740 printer software. Type the desired connection and complete the HP Officejet 5740 Printer Wireless Setup process.