How do I install the printer software on Windows?
Insert the printer CD or launch the downloaded installation file, and the software installer will detect your operating system language and display the main menu. Follow the on-screen instructions and select your connection type: USB cable, network, or wireless. If installing from CD and the installer does not start after 30 seconds, browse the CD drive and launch the file named SETUP.EXE. (Page 8)
From the official HP Laserjet Pro Mfp M127 manual, page 8
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