shorcuts in windows........

CTRL+A (Select all)
Shift + (left arrow /right arrow/down arrow/up arrow ) . selecting text
CTRL + C (Copy)
CTRL+X (Cut)
CTRL+V (Paste)
CTRL+Z (Undo)
Delete (Delete)
Shift+Delete (Delete the selected item permanently without placing the item in the Recycle Bin)
Ctrl + mouse click on a file (for multiple selection of files)

F1(Help)
F2 key (Rename the selected item)
F3 key (Search for a file or a folder)
F4 key (Display the Address bar list in My Computer or Windows Explorer or Internet explorer)
F5 (Refresh)

CTRL+F4 (Close the active document in programs that enable you to have multiple documents open simultaneously)
Alt+Enter (View the properties for the selected item)
Alt+F4 (Close the active item, or quit the active program)
Alt+Spacebar (Open the shortcut menu for the active window)
Alt+Tab (Switch between the open items)
Shift (when you insert a CD-ROM into the CD-ROM drive (Prevent the CD-ROM from automatically playing)
Alt+Underlined letter in a menu name (Display the corresponding menu)

Win+D (Display the desktop)
Win+M (Minimize all of the windows)
Win+Shift+M (Restore the minimized windows)
Win+E (Open My Computer)
Win+F (Search for a file or a folder)
CTRL+Win+F (Search for computers)
Win+ L (Lock the screen )
Win+R (Open the Run dialog box)
Win+U (Open Utility Manager)