Over 300,000 new types of ransomware and other malicious software are discovered daily, according to the IT security research institute AV-TEST. Computer viruses can slow your devices, create a slew ...

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 ...

In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

Antivirus software may already be installed on your computer but here’s what you need to know about how it works and keeps you safe online in the background.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Matthew Guay It took computers nearly a half-century to catch up with science ...