To open the charms bar in Windows 8, place the mouse at the bottom right corner or the top right corner of the screen. To select a charm you have to left click on a particular charm. Here are the different charms you can select from the Charms bar:
1) Search: You can use the Search charm to search apps, files and settings.
2) Share: You can use this charm for sharing content from the currently opened app to another app. However, for sharing you need to make sure that the app which you are running supports sharing.
3) Start: If you click on this icon you can visit the Start screen.
4) Devices: You can click on this charm to set up Second screen and set up options for other devices.
5) Settings: The Settings charm has other different options like:
a) Control Panel: This is the regular control panel screen for the Windows 8. Here you can change settings like:
i) System and security: Click on options for “Review your computer’s status”, “Save backup copies of your files with File History”, “Find and Fix Problems”.
ii) Network and Internet: Click on options for “View network status and tasks”, and “Choose homegroup and sharing options”.
iii) Hardware and Sound: Click on options for “View devices and printers”, and “Add a device”.
iv) Programs: Click on options for “Uninstall a program”.
v) User Accounts and Family Safety: Click on options for “Change account type”, and “Set up Family Safety for any user”.
vi) Appearance and Personalization: Click on options for “Change the Theme”, “Change desktop background”, and “Adjust screen resolution”.
vii) Clock, Language and Region: Click on options for “Add a Language”, “Change input methods”, and “Change Date, time or, number formats”.
viii) Ease of Access: Click on options for “Let Windows suggest Settings”, and “Optimize visual display”.
b) Personalization: You can use this screen for changing desktop icons, mouse pointers, Windows themes, desktop background, color, sounds, and screen saver.
c) Pc Info: This option can be used for viewing information about your computer like processor, installed memory (RAM), system type, pen and touch, computer name computer description, workgroup, product id, etc.
d) Help: This option can be used for Windows Help and Support.
e) Icon for network connection: From here you can enable or disable network connections.
f) Icon for volume: You can use this option to decrease or increase the default volume of the system.
g) Icon for Brightness: You can use this option to set up the brightness of the display device.
h) Icon for Notifications: You can use this option for Notification settings.
i) Icon for Power: From here you can make the system “Sleep”, “Restart” it, or “Shut down”.
j) Icon for changing the settings for input method: Here you can select the language for the keyboard.
k) Change PC Settings: You can use this option to change the computer settings like:
i) Personalize: From here you can change the picture displayed in the Lock screen, Start screen and you can also change the account picture.
ii) Users: You can add or remove users from this option. You can also make changes for the current user settings.
iii) Notifications: You can use this option for changing Notification settings.
iv) Search: This option can be used for changing the search settings.
v) Share: You can use this option to turning on or off the sharing options for particular apps.
vi) General: Here you can set time, set up app switching options, change spelling settings and language settings.
vii) Privacy: Here you can change the privacy settings for the apps.
viii) Devices: This option can be used for adding a device.
ix) Ease of Access: Here, you can change the contrast settings, add a narrator and cursor thickness settings.
x) Sync your settings: Here you can Sync your current PC settings by using a Microsoft account.
xi) HomeGroup: You can use this option to change the sharing settings.
xii) Windows Update: This option can be used for updating the Windows.