was windows 8.1 64bit but changed to 7 as 8 is not good in our family opinion it is intel core i7 processor 4790 has amd radeon r7 240 2gb 2tb hard drive 12gb ddr3 memory dvd super multi drive card reader intergrated lan 10/100/1000 wireless lan plus bluetooth all of this is true as sticker on pc tower we can also give a monitor for extra £50