How to Build a Computer: The Complete Guide

Building a computer from scratch gives you the perfect machine for your needs, but it can be daunting the first time around. Here's our complete guide, from picking the parts, to putting it together and installing your OS. » 10/31/14 3:47am Today 3:47am

​Screen Size Is Not Phone Size

There's a handy little shortcut we all take when we talk about how big a phone is. Instead of talking about actual dimensions, we use the size of the display. It's useful short-hand, but now that phones are getting bigger and every tenth of an inch matters, it's time for a reminder: screen size and phone size aren't… » 10/30/14 4:46am Yesterday 4:46am

Should I Upgrade to Mac OS X Yosemite?

Dear Lifehacker,
So Yosemite is coming out today. It looks like it has some great features, but it's still an upgrade, and any upgrade has a chance of going bad. You guys have been using it; what do you think? Is it ready for prime time, or should I wait for the next patch to fix the bugs people will inevitably find? » 10/17/14 2:52am 10/17/14 2:52am

How to Set Up and Use Handoff in Yosemite and iOS 8

Handoff is Apple's new feature that integrates Yosemite and your iOS 8 device so you can start working on one device and then continue it on another. For example, you can start writing an email on your phone, then flip it over to your Mac when you realize you'd prefer a keyboard. Here's how to set it up and use it. » 10/17/14 2:50am 10/17/14 2:50am

Google's Nexus 6 Superphone Is Here, and It's a Monster

The long-awaited (and long-rumored) Nexus 6, the 6-inch (technically 5.96) monster phablet, is finally, officially here. The Nexus 6, like its predecessors before it, will be the first device in the world to ship with Android's new operating system, Lollipop. It's the purest vision of what an Android phone should be.… » 10/16/14 4:29am 10/16/14 4:29am

It's Time to Enable Two-Step Authentication on Everything. Here’s How.

Yesterday's news that hackers might've stolen some 7 million Dropbox credentials should've scared you into changing your password. And if you didn't already have two-step authentication enabled on your account, it should be pretty good reminder that you need to turn it on for every account possible. » 10/15/14 4:14am 10/15/14 4:14am

I Want to Write Android Apps. Where Do I Start?

Dear Lifehacker,
I have some background in coding, but I've never touched Android development before. I'd like to get started, but I'm not entirely sure what I need. I don't need to "learn to code" per se, but I could use some guidance on where to start with Android. Can you help? » 10/09/14 4:00am 10/09/14 4:00am

Windows 10 Video Walkthrough: Where Were You Two Years Ago?

Windows 10 is here! Kind of! You can go pick up a very stripped down Technical Preview of the big, bad, Start Menu-having operating system right now. But if you don't want to load up a pretty beta OS, we went through the trouble for you. These are the highlights. » 10/02/14 4:25am 10/02/14 4:25am

Windows 10 Hands-On: Well Hello There, Start Menu!

It's finally official: Windows 10 is on the way. It's the Windows to rule all Windows, a single operating system for PCs, phones, and tablet, and it's coming in 2015. But you don't care about any of that. You just want to know about the goddamn Start Menu already. » 10/01/14 12:09pm 10/01/14 12:09pm

The man who made Apple possible is in trouble—and you can help him

Perhaps you don't know John Draper aka "Captain Crunch" but, if you're using a MacBook or an iPhone today, it's because of him. He and his blue box were a fundamental inspiration for Steve Jobs and Steve Wozniak in making Apple. He's now in trouble and needs our help. Woz has written this fascinating article so you… » 9/29/14 11:13am 9/29/14 11:13am