This system may require upgraded and/or separately purchased to take full advantage of Windows 7 functionality. Not all features are in all editions of Windows 7. See http://www.microsoft.com/windows/windows-7/ for details.
 Wireless access point and Internet service is required and is not included. Availability of public wireless access points limited.
 HD content required to view HD images.
 64-bit computing on Intel architecture requires a computer system with a processor, chipset, BIOS, operating system, device drivers and applications enabled for Intel® 64 architecture. Processors will not operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS. Performance will vary depending on your hardware and software configurations. See www.intel.com/info/em64t for more information. Quad Core is designed to improve performance of multithreaded software products and hardware-aware multitasking operating systems and may require appropriate operating system software for full benefit. Not all customers or software applications will necessarily benefit from use of this technology. Intel’s numbering is not a measurement of higher performance.
 Sold separately or as an optional feature.
Not all features are available in all editions of Windows 8. Systems may require upgraded and/or separately purchased hardware to take full advantage of Windows 8 functionality. See http://www.microsoft.com/windows for details.