Windows: If you use a Microsoft account to sign into and sync multiple devices, you might notice that Windows has a habit of keeping the same theme across all of them. If you'd rather have a different look on your laptop than your desktop, here's how to fix it.

Most of us have used Facebook as a simple way to log into accounts. Today, Facebook's making it even easier by allowing you to login to websites with just your phone number. You don't even need to have a Facebook account.

If you're on the most recent version of Windows 10, you might have noticed that you can't create guest accounts like you used to. Here's a workaround to fix that problem.

If you haven't enabled two-factor authentication on Facebook, you should. If Facebook thinks someone has attempted to access your account, it will notify you. Now, those warnings may come if Facebook thinks the attacker is backed by a government.

Google has a great built-in service to transfer your email to a new Gmail account, but it only works with Gmail. If you're taking your email somewhere else, tech blog Digital Inspiration created a script to make the transfer process easy.

One of the challenges of an environment where employees use multiple cloud services is how to manage those accounts. AppGuru, a new web-based service from LogMein,, aims to simplify that process by providing a centralised console where IT managers can track, deploy and remove users on different services.

Dear Lifehacker, I have multiple Gmail accounts and a Google Apps account. I have to sign in to one for Google Voice, into another for docs and Gmail, and use the third for Google+. I'd really like everything in one place so I don't have to keep switching again and again. How can I do this? Thanks, Google Nonplussed

If you have more than one Google account, you know that trying to use them simultaneously isn't a pleasure. A recent Google update makes concurrent logins much easier.

As TechCrunch noted earlier today, a "guest mode" on your iPhone, iPad, or iPod touch would be a very useful feature. Fortunately for those of you who jailbreak, you can have that feature right now.

If you've got a family computer, or one you share with your roommates or significant other, you've probably run into the trouble of sharing a web browser. You have to log out of your Gmail, Facebook and other accounts just to let someone else log in. The latest version of Google Chrome solves that problem with multiple user accounts. Here's how this handy new feature works and how to set it up.