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David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...

Stress testing your CPU is a great way to ensure that your overclock is stable, check that your cooling is powerful enough, or run in some new heat paste that you've applied to your processor. But ...

iperf3 is a network throughput tool used to measure the performance of the network your Mac is using. Here's how to use it in the macOS Terminal app. iperf is a UNIX memory, network throughput, and ...

Since 1983, PCWorld has been testing PCs, and while we made the jump from paper to digital years ago, our mission remains the same: We’re here to help you make better choices about your PC hardware ...

Computers are essential to modern life, but many users forget that regular cleaning is just as important as software updates. Over time, dust, pet hair, and debris can build up inside your device, ...