Microsoft will end free mainstream support for Windows 7 on January 13, 2015. That means no more security patches if hackers find holes, no more updated features or performance improvements. This move will mostly affect consumers. Businesses that pay for extended Windows 7 support, as most of them do, will be supported for another five years, until January 14, 2020. That's important, because many businesses are right now are in the process of upgrading their old Windows XP PCs, but they're moving to Windows 7, not Windows 8. There's some speculation that, given the popularity of Windows 7, Microsoft might...
