PC components explained: learn what each part does, their functions, and how CPU, GPU, storage, and cooling impact performance and longevity.

Most people don’t actually know what’s inside their PC—this lightweight tool quietly shows everything that matters.

Computer engineering is a broad field that sits in between the hardware of electrical engineering and the software of computer science. When computer engineers design hardware, they focus on what the ...

PCWorld’s editors selected the best PC hardware and software of 2025/2026, highlighting standout products like the AMD Ryzen 9 9950X3D CPU, Nvidia RTX 5070 Ti graphics card, and Steam Deck handheld ...

Unique designs, smart engineering, and serious performance defined this year’s CES PC haul. These are our favorites across 11 categories of hardware.