ACER Aspire AMD ES1-521-266Z comes with Windows 10 Home, 64-bit Operating System, AMD E1-6010 processor Dual-core 1.35 GHz, Led Backlit HD Screen 1366 x 768 Pixels 15.6" LCD Display, 500 GB HardDrive, 4 GB DD3L SD RAM, AMD Radeon R2 Series with Shared Memory, ACER Aspire AMD ES1-521-266Z also has Integrated speakers, Keyboard, Webcam, Microphone, 3-cell lithium-lon, 3500 mAh 45W Up to 6 Hour Battery, AC Adapter, USB 3.0 x 1 No of USB 2.0 x 2, HDMI x 1, by Acer.