Many users had reported low volume or indistinct dialogue when watching films this way – the SP1 evened out levels and made it a more attractive multimedia system. One significant and popular change is the improvement of sound over HDMI in this Windows 7 Download. Yes, there may be a host of back-end coding adaptations that further bolster the security of your machine, but these aren't particularly exciting for day-to-day users. The biggest criticism to be leveled at SP1 is that it does little to improve the experience of using your PC. As a result, many experienced users decided to sit tight and hold off, allowing other PC consumers to be the guinea pigs. This is nothing new and tends to affect all service pack roll-outs. While most users found that there were no issues installing this latest SP1, some running 'mature' copies of the system found initial difficulties with compatibility of third-party software.

The pack includes the standard security coding patches and improvements, which affect very little of the user end experience – in contrast to, say, the Windows XP Service Pack 2, which introduced a series of new facilities and functions that dramatically changed how you interacted with your computer. Twelve months since the launch, Service Pack 1 (SP1) has met with mixed reception. The latest operating system is no exception, with this Windows 7 Service Pack 1 Download being released in February 2011. It's a long established practice that Microsoft have continued – releasing critical updates, security add-ons and new features to their operating systems through a series of additional 'packs'.

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