SysMain' was draining my computer's background memory. Here's how to find the biggest culprits behind your sluggish PC.

A new version of OpenAI’s Codex desktop app reaches users today. It brings a smorgasbord of new features and changes, ranging ...

This overlooked Windows feature reveals more than you’d expect.

With help from AI, I finally tackled some computer chores that I’ve been putting off for months. My Downloads folder is cleaner than it’s been in ages. The photos that OneDrive blandly sorted by month ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kimber Streams Kimber Streams is a writer who has been covering laptops and ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The AI search startup is positioning the tool as a more secure version of OpenClaw that runs on a Mac. The AI search startup is positioning the tool as a more secure version of OpenClaw that runs on a ...

Apple’s Mac mini is back in the AI headlines. Last month, Perplexity released its own version of the OpenClaw “personal AI assistant” idea with a feature called Perplexity Computer. Now the company is ...

"Xbox mode" (formerly Xbox Full Screen Experience) is here to replace your console. Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team ...

Can you really get a Windows PC running like new again? Using this free tool from Microsoft, you can get pretty close. Microsoft Windows has been with us for more than 40 years at this point. Over ...

The AI hardware boom is sending memory prices sky-high, so knowing exactly how much you need is more critical than ever. I've worked out the most realistic RAM goals for every type of PC. I’ve been a ...

The Computer Guy of Chicago strikes when you least expect. Sitting in a coffeehouse. Reading your phone on the train. Working out. Waiting for food. Walking down the street. When the Computer Guy ...