Here's how you can download Intel's free Extreme Tuning Utility to overclock your computer. 1. Go to the Intel Extreme Tuning Utility page. 2. Click the Download Intel Extreme Tuning Utility (Intel XTU) link. Here's a description: "Tweak to your heart’s content using the Intel® Extreme Tuning Utility (Intel® XTU). Whether overclocking the CPU, memory, and system clocks, or monitoring system temperatures, voltages and fan speeds, Intel® XTU allows you to tune, tweak and cool."
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Best CPU, Video Card and RAM Tuning Utilities | Help Desk Geek