In the Windows 10 Anniversary Update, version 1607, Microsoft removed Cortana's on-off switch. But it's still there, if you know where to look. Use this tweak to make Windows search strictly local.

Should you defrag your solid-state drive? Absolutely not! Here's how to keep conventional hard disks, SSDs, and even virtual disks running at peak efficiency.

In Windows 10, OneDrive is built in. The connections are so tight, in fact, that OneDrive has its own node in File Explorer, with no obvious way to remove it. But the options to disconnect OneDrive are there if you know where to look. Here are full instructions.

One confusing aspect of Windows 10 is the way it keeps some options in the old-style Control Panel and others in the new Settings app. The good news is you don't have to guess where to look, once you learn these two search secrets.

Entering special characters, including foreign currency symbols, fractions, and emoji, is a cumbersome task on most physical keyboards. Use this hidden Windows 10 option to open an on-screen keyboard that puts all those options at your fingertips.

By default, Windows 10 apps (even desktop programs like Outlook) can interrupt you with notifications. Here's how to take control of those pop-ups and sounds so they don't become a distraction.

Is your Windows 10 laptop or tablet running low on free space? Built-in storage management tools let you pinpoint exactly which files and apps are to blame. In many cases, you can recover that free space with just a click or two.

If our Windows 10 PC is operating perfectly right now, great. Take advantage of the opportunity to create a recovery drive so you have a way to perform repairs if something ever goes wrong.

Who needs Windows Calc? Cortana can do simple math, and with one extra keystroke you can display a full-featured calculator in the Start menu.