: Originally shipped with Windows 7 Home Premium (64-bit) or Windows 7 Professional .
Use an external monitor via HDMI (1080p @ 60Hz) for any serious work. sony vaio pcg-71311w specifications
For official support, drivers, and manuals, you can visit the Sony VAIO Support Page (like SSD/RAM) or a performance review VPCEB2E9E Specifications - Sony UK : Originally shipped with Windows 7 Home Premium
The PCG-71311W offers a robust selection of ports, making it highly versatile even by modern standards: VPCS137GH Specifications | Sony AP - Sony Asia Pacific sony vaio pcg-71311w specifications