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The classic example: How do you turn off a Windows 8 machine?
The answer: swipe out the Charm menu from the right side of the screen, choose Settings, touch the power button, and choose Shut Down. Simple, yes?
TEST YOURSELF: The Windows 8 Quiz
Windows 8's Metro interface is anchored by the Start screen, a collection of colored rectangles called tiles that are labeled with text to explain what they are. So the mail application says Mail and has a stylized envelope displayed on it. The tile to access the Windows store says Store on it and features a stylized shopping bag.
The Start screen stretches out horizontally and may take up several screens that can be scrolled by sliding a finger on a touch screen or left-clicking the arrow buttons in the bottom corners.
Metro is distinguished by its use of the full screen to display current applications. All the chrome of the navigation bars and systems tray so familiar in earlier versions of Windows are gone. Tools that serve these functions are hidden off-screen.
Some of these comprise the charms bar, a set of buttons hidden to the right of the screen. They can be called out with the swipe of a finger on a touch screen. These charms are labeled Search, Share, Start, Devices and Settings.
Swipe the left side, and you get the applications bar, which displays a thumbnail of each running application. Pressing any one of them brings it to fill the main screen.
Those are the basics, but there's still a lot to know. Here are 10 tips for performing useful tasks in Windows 8 that you might never discover on your own. Tasks can be carried out using touch or mouse and keyboard.
1. Returning to the Start screen: It's easy to lose your way in Windows 8 when you're just learning it, and finding the Start screen can help re-anchor you. To find it using a touch screen, swipe out the Charms bar on the right and press the Start charm. With a mouse, click the bottom-left corner screen. You'll know it's ready for the click when a tiny image of the Start screen pops up. On a keyboard, press the Windows key.
2. Organizing the Start screen: The Start screen is made up of a large number of tiles, so separating them into categories makes it easier to find the ones you want. Drag tiles either with a finger or using a mouse and dropping related tiles near each other.
3. Naming groups of tiles: Zoom out on the Start screen to get an overall view of the Start screen tiles. This can be done using a two-fingered pinching gesture or clicking on the minus button in the lower right. Find the group you want to name, right-click on it and choose Name Group, type the name and press Enter. Or touch the group, choose Name Group and type in the name.
4. Pinning tiles: Not all applications are displayed on the Start screen. To add one, right-click or touch a blank spot on the Start screen and click or touch All Apps when it appears on the bottom. Right-click or touch the app you want to pin, then click or touch Pin to Start.