I give some technical information that may interest some. Access to the memory and hard drives is easy. As indicated in the instructions, simply remove a screw (hidden behind a rubber sticker) and slide the panel to access. There are right, the SSD (one 128G sandisk), left the traditional hard drive (1TB). There is a free slot, appearance a pci-express. According to the manual, it is intended to accommodate M.2 discs. A new generation of SSD.
I do not use Windows, I installed Linux Mint unhindered 17. At startup, F2 to enter the bios, then go to security to disable the secure boot, then you can boot from the DVD and install smoothly.