The HP ProBook 4540s is a reliable and efficient notebook/laptop suitable for a range of tasks including workstation, office work, school, web browsing, casual computing, and even graphic design. With an Intel Core i3 3rd Gen processor running at 2.40 GHz, 4GB of RAM, and a 500GB HDD, this laptop offers smooth performance and ample storage space. It features a 15.6-inch screen with a maximum resolution of 1366 x 768, integrated Intel HD Graphics 4000, and connectivity options like VGA, HDMI, SD card slot, USB 3.0, USB 2.0, and Gigabit Ethernet. This HP ProBook also comes pre-installed with Windows 10 Pro, making it a versatile and dependable choice for various computing needs.***Tested and working. Does not come with power adaptor. Battery will not hold a charge. Comes with fresh copy of Windows 10 Pro activated and ready to use.