windows keyboard shortcuts

hi friends now i am going to tell you people how to access windows easily using just keyboard i mean the shortcuts people 

NOTE:For opening explorer window in windows i.e., my computer simply press WIN+E 

 Windows system key combinations
    F1: Help
    CTRL+ESC: Open Start menu
    ALT+TAB: Switch between open programs
    ALT+F4: Quit program
    SHIFT+DELETE: Delete item permanently
    Windows Logo+L: Lock the computer (without using CTRL+ALT+DELETE)  
Windows program key combinations
    CTRL+C: Copy
    CTRL+X: Cut
    CTRL+V: Paste
    CTRL+Z: Undo
    CTRL+B: Bold
    CTRL+U: Underline
    CTRL+I: Italic
Mouse click/keyboard modifier combinations for shell objects
    SHIFT+right click: Displays a shortcut menu containing alternative commands
    SHIFT+double click: Runs the alternate default command (the second item on the menu)
    ALT+double click: Displays properties
    SHIFT+DELETE: Deletes an item immediately without placing it in the Recycle Bin
General keyboard-only commands
    F1: Starts Windows Help
    F10: Activates menu bar options
    SHIFT+F10 Opens a shortcut menu for the selected item (this is the same as right-clicking an object
    CTRL+ESC: Opens the Start menu (use the ARROW keys to select an item)
    CTRL+ESC or ESC: Selects the Start button (press TAB to select the taskbar, or press SHIFT+F10 for a context menu)
    CTRL+SHIFT+ESC: Opens Windows Task Manager
    ALT+DOWN ARROW: Opens a drop-down list box
    ALT+TAB: Switch to another running program (hold down the ALT key and then press the TAB key to view the task-switching window)
    SHIFT: Press and hold down the SHIFT key while you insert a CD-ROM to bypass the automatic-run feature
    ALT+SPACE: Displays the main window's System menu (from the System menu, you can restore, move, resize, minimize, maximize, or close the window)
    ALT+- (ALT+hyphen): Displays the Multiple Document Interface (MDI) child window's System menu (from the MDI child window's System menu, you can restore, move, resize, minimize, maximize, or close the child window)
    CTRL+TAB: Switch to the next child window of a Multiple Document Interface (MDI) program
    ALT+underlined letter in menu: Opens the menu
    ALT+F4: Closes the current window
    CTRL+F4: Closes the current Multiple Document Interface (MDI) window
    ALT+F6: Switch between multiple windows in the same program (for example, when the Notepad Find dialog box is displayed, ALT+F6 switches between the Find dialog box and the main Notepad window)
Shell objects and general folder/Windows Explorer shortcuts
For a selected object:
    F2: Rename object
    F3: Find all files
    CTRL+X: Cut
    CTRL+C: Copy
    CTRL+V: Paste
    SHIFT+DELETE: Delete selection immediately, without moving the item to the Recycle Bin
    ALT+ENTER: Open the properties for the selected object
General folder/shortcut control
    F4: Selects the Go To A Different Folder box and moves down the entries in the box (if the toolbar is active in Windows Explorer)
    F5: Refreshes the current window.
    F6: Moves among panes in Windows Explorer
    CTRL+G: Opens the Go To Folder tool (in Windows 95 Windows Explorer only)
    CTRL+Z: Undo the last command
    CTRL+A: Select all the items in the current window
    BACKSPACE: Switch to the parent folder
    SHIFT+click+Close button: For folders, close the current folder plus all parent folders
Windows Explorer tree control
    Numeric Keypad *: Expands everything under the current selection
    Numeric Keypad +: Expands the current selection
    Numeric Keypad -: Collapses the current selection.
    RIGHT ARROW: Expands the current selection if it is not expanded, otherwise goes to the first child
    LEFT ARROW: Collapses the current selection if it is expanded, otherwise goes to the parent
Properties control
    CTRL+TAB/CTRL+SHIFT+TAB: Move through the property tabs

ALSO IN WINDOWS 7 PRESS WIN+R TO OPEN RUN
PRESS WIN+D TO MINIMIZE ALL THE WINDOWS

PRESS WIN+L TO LOCK THE WINDOWS JUST LIKE THAT

USE THE INFORMATION AND ENJOY FRIENDS