HP recommends running the ProBook 640 G2 on Windows 10 Pro operating system, but you can downgrade to Windows 7.
The notebook comes with the usual ports and slots for similar offerings, including USB 3.0 ports and a USB Type-C port. Wi-Fi 802.11ac, Bluetooth 4.2, LTE modem and optional NFC are available for wireless connectivity, depending on model.
According to its maker, the HP ProBook 640 G2 is for “executive-class” collaboration. It features HP Noise Cancellation Software, optional Skype for Business and an HD webcam. Dual integrated stereo speakers and HD Audio with DTS Studio Sound hold promise of respectable sound.