Getting Started with Windows 8: The Quick Tour

Windows 8 is the latest release of the Windows operating system for client computers. Windows 8 natively supports image-based installation and deployment. Windows 8, Windows 8 Pro, and Windows 8 Enterprise support 32-bit x86 and 64- bit x64 processors for PCs and tablets. Windows 8 RT supports ARM processors.For many advanced features, including BitLocker, Encrypting File System, Domain Join, Group Policy, and the Remote Desktop host, computers will need Windows 8 Pro or Windows 8 Enterprise.

Separate distribution media is provided for 32-bit and 64-bit editions of Windows 8. To install the 32-bit edition of Windows 8 on an x86-based computer, you need to use the 32-bit distribution media. To install the 64-bit edition of Windows 8 on an x64-based computer, you need to use the 64-bit distribution media. Generally, if you are running a 32-bit operating system and want to install a 64-bit operating system (on hardware that supports both), you need to restart the computer and boot from the installation media. The same is generally true if you want to install a 32-bit operating system on a computer running a 64-bit operating system.

NOTE Windows 8 RT normally is preinstalled on devices with ARM processors, and it is very different from other editions of Windows 8.

Windows 8 uses modularization for language independence and disk imaging for hardware independence. Each component of the operating system is designed as an independent module that you can easily add or remove. This functionality provides the basis for the configuration architecture in Windows 8. Microsoft distributes Windows 8 on media with disk images that use compression and single-instance storage to dramatically reduce the size of image files. The format for disk images is the Windows Imaging (WIM) format.

The Windows Preinstallation Environment 4.0 (Windows PE 4.0) replaces MS-DOS as the preinstallation environment and provides a bootable startup environment for installation, deployment, recovery, and troubleshooting. The Windows Preboot Environment provides a startup environment with a boot manager that lets you choose which boot application to run to load the operating system. On systems with multiple operating systems, you access pre–Windows 7 operating systems in the boot environment by using the legacy operating system entry.

User Account Control (UAC) enhances computer security by ensuring true separation of standard user and administrator user accounts. Through UAC, allapplications run using either standard user or administrator user privileges, and you see a security prompt by default whenever you run an application that requires
administrator privileges. The way the security prompt works depends on Group Policy settings. Additionally, if you log on using the built-in Administrator account, you typically do not see elevation prompts.

Windows 8 has several key UI elements, including:

■■ Start screen

■■ Charm bar

■■ Search panel

■■ Desktop Settings panel

■■ PC Settings screen

■■ Apps screen (also referred to as All Apps)

With Windows 8, a Start screen replaces the traditional Start menu. Start is a window, not a menu. Programs can have tiles on the Start window. Tapping or clicking a tile runs the program. When you press and hold or right-click on a tile, an options panel rather than a shortcut menu is displayed. From Start, one way to quickly open a program is by pressing the Windows key, typing the file name of the program, and then pressing Enter. This shortcut works as long as the Apps Search box is in focus (which it typically is by default).

Pressing the Windows key toggles between the Start screen and the desktop (or, if you are working with PC Settings, between Start and PC Settings). On Start, there’s a Desktop tile that you can tap or click to display the desktop. You also can display the desktop by pressing Windows key +D or, to peek at the desktop, press and hold Windows key + , (that’s the Windows key plus the comma key). The Charm bar is an options panel for Start, Desktop, and PC Settings. With touch UI, you can display the Charm bar by sliding in from the right side of the screen. With a mouse and keyboard, you can display the Charm bar by moving the mouse pointer over the hidden button in the upper-right or lower-right corner of the Start, Desktop,  or PC Settings screen; or by pressing Windows key + C.

The Charm bar has five charms:

■■ Search Tap or click the Search charm to display the Search panel. Any text typed while on the Start         screen is entered into the Search box on the Search panel. The Search box can be focused on Apps, Settings, or Files. When focused on Apps, you can use Search to quickly find installed programs. When
focused on Settings, you can use Search to quickly find settings and options in
Control Panel. When focused on Files, you can use Search to quickly find files.

■■ Share Tap or click the Share charm to share from a desktop app. For example, when working with the Maps app, you’ll typically see options for sharing the map you are working with.

■■ Start Tap or click the Start charm to toggle between Desktop and Start (or, if you are working with PC      Settings, between Start and PC Settings).

■■ Devices Tap or click the Devices charm to work quickly with attached devices, such as a second screen.
■■ Settings Tap or click the Settings charm to access the Settings panel, which provides access to important options, including the power options for sleep, shutdown, and restart.

TIP Normally, Apps Search is the default. Thus, from Start, you can quickly open a program by typing the program name and pressing Enter.
You also can display the Settings panel by pressing Windows key + I. From the
settings panels, you can:

■■ View connected network and network status.

■■ View and change audio output levels.

■■ Change brightness levels of the display (portable devices only).

■■ Hide notifications temporarily.

■■ Access power options.

■■ Display the touch keyboard (touch UI devices only).

■■ Access the PC Settings screen (by clicking Change PC Settings). Start Settings, Desktop Settings, and PC Settings have nearly—but not exactly— identical Settings panels. The Start Settings panel has a Tiles option that you can tap or click to display an option for adding or removing tiles for the administrative tools
to the Start screen and an option for clearing personal information from tiles. The Desktop Settings panel has several quick links, including:

■■ Control Panel, for opening Control Panel

■■ Personalization, for opening personalization settings in Control Panel
■■ PC Info, for opening the System page in Control Panel
■■ Help, for opening Windows Help and Support

Thus, when you are working with the Desktop, one way to quickly open Control Panel is by pressing Windows key + I and then clicking Control Panel on the Settings panel.

File Explorer is pinned to the Desktop taskbar by default. This means you also can access Control Panel by following these steps:

1. Open File Explorer by tapping or clicking the taskbar icon.
2. Tap or click the leftmost option button in the address list.
3. Tap or click Control Panel.

Another technique you’ll want to quickly master is getting to the Apps screen, which lists installed apps alphabetically within app categories. The Apps screen is displayed whenever you start an Apps search. When the Settings panel and the Apps screen are both displayed, tap or click in an open area of the Apps screen to hide the Settings panel. The keyboard shortcut for opening the Apps screen from Start or Desktop is Windows key + Q. Another way to open the Apps screen is to start an Apps search and then tap or click in an open area of the Apps screen to hide the Settings panel.

On the Apps screen, the apps listed under the Windows System category are ones you’ll often use for administration, including Command Prompt, Computer, Control Panel, Task Manager, File Explorer, and Windows PowerShell.

NOTE With Windows 8 Pro and Windows 8 Enterprise, Windows PowerShell normally is added as a feature. From Start, a quick way to open Windows PowerShell is to type powershell and press Enter. This shortcut works so long as Windows PowerShell is the first match found for the keyword “powershell.” If multiple matches are found, tap or click the one that you want to run rather than pressing Enter.

TIP If you’ve opened the Apps screen on your computer, you may want to add
pinned items to Start or the desktop taskbar. To do this, press and hold or right-click
the item and then tap or click Pin To Start or Pin To Taskbar as appropriate. For easier
administration, I recommend adding Command Prompt, Computer, Control Panel, and
Windows PowerShell to the taskbar.
With Windows 8, you may want to use Windows PowerShell as your go-to
prompt for entering both standard Windows commands and Windows PowerShell
commands. Although anything you can type at a command prompt can be typed
at the Windows PowerShell prompt, it’s important to remember that this is possible
because Windows PowerShell looks for external commands and utilities as part
of its normal processing. As long as the external command or utility is found in a
specified by the PATH environment variable, the command or utility is
run as appropriate. However, keep in mind that Windows PowerShell execution
order could affect whether a command runs as expected. For Windows PowerShell,
the execution order is (1) alternate built-in or profile-defined aliases; (2) built-in or
profile-defined functions; (3) cmdlets or language keywords; (4) scripts with the .ps1
extension; and (5) external commands, utilities, and files. Thus, if any element in
1 to 4 of the execution order has the same name as a command, that element will
run instead of the expected command.
Windows 8 ships with Windows PowerShell. When you’ve configured Windows
PowerShell for remoting, you can execute commands on remote computers in a
variety of ways. One technique is to establish a remote session with the computers
you want to work with. The following example and partial output shows how you
can check the Windows edition on remote computers:
$s = new-pssession -computername engpc15, hrpc32, cserpc28
invoke-command -session $s {dism.exe /online /get-currentedition}
The following is the resulting partial output:
Deployment Image Servicing and Management tool
Version: 6.1.7600.16385
Image Version: 6.1.7600.16385
Current Edition : Ultimate
The operation completed successfully.
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