There are hundreds of short-cut keyboard combinations and when you start to learn them , they can really help you save a lot of time!

Many of them are also transferable meaning, for example, some that work with MS Word may also work with Photoshop.

CTRL+C and CTRL+V are very common and widely supported short-cuts for copy and paste, but most people know these already. below, however, are a lot short-cuts you probably didn’t know!

• CTRL+TAB – Move forward through tabs.
• CTRL+SHIFT+TAB – Move backward through tabs.
• TAB – Move forward through options.
• SHIFT+TAB – Move backward through options.
• ALT+Underlined letter – Carry out the corresponding command or select
  the corresponding option.
• ENTER – Carry out the command for the active option or button.
• SPACEBAR – Select or clear the check box if the active option is a check
  box.
• Arrow keys – Select a button if the active option is a group of option
  buttons.
• F1 – Display Help.
• F4 – Display the items in the active list.
• BACKSPACE – Open a folder one level up if a folder is selected in the
  Save As or Open dialog box.
• CTRL+C – Copy.
• CTRL+X – Cut.
• CTRL+V – Paste.
• CTRL+Z – Undo.
• CTRL+Y – Redo
• DELETE – Delete.
• SHIFT+DELETE – Delete selected item permanently without placing the item
  in the Recycle Bin.
• CTRL while dragging an item – Copy selected item.
• CTRL+SHIFT while dragging an item – Create shortcut to selected item.
• F2 – Rename selected item.
• CTRL+RIGHT ARROW – Move the insertion point to the beginning of the next
  word.
• CTRL+LEFT ARROW – Move the insertion point to the beginning of the
  previous word.
• CTRL+DOWN ARROW – Move the insertion point to the beginning of the next
  paragraph.
• CTRL+UP ARROW – Move the insertion point to the beginning of the
  previous paragraph.
• CTRL+SHIFT with any of the arrow keys – Highlight a block of text.
• SHIFT with any of the arrow keys – Select more than one item in a window
  or on the desktop, or select text within a document.
• CTRL+A – Select all.
• F3 – Search for a file or folder.
• ALT+ENTER – View properties for the selected item.
• ALT+F4 – Close the active item, or quit the active program.
• ALT+Enter – Displays the properties of the selected object.
• ALT+SPACEBAR – Opens the shortcut menu for the active window.
• CTRL+F4 – Close the active document in programs that allow you to have
  multiple documents open simultaneously.
• ALT+TAB – Switch between open items.
• ALT+ESC – Cycle through items in the order they were opened.
• F6 – Cycle through screen elements in a window or on the desktop.
• F4 – Display the Address bar list in My Computer or Windows Explorer.
• SHIFT+F10 – Display the shortcut menu for the selected item.
• ALT+SPACEBAR – Display the System menu for the active window.
• CTRL+ESC – Display the Start menu.
• ALT+Underlined letter in a menu name – Display the corresponding menu.
• Underlined letter in a command name on an open menu – Carry out the
  corresponding command.
• F10 – Activate the menu bar in the active program.
• RIGHT ARROW – Open the next menu to the right, or open a submenu.
• LEFT ARROW – Open the next menu to the left, or close a submenu.
• F5 – Refresh the active window.
• BACKSPACE – View the folder one level up in My Computer or Windows
  Explorer.
• ESC – Cancel the current task.
• SHIFT when you insert a CD into the CD-ROM drive – Prevent the CD from
  automatically playing.
• Windows Key – Display or hide the Start menu. Windows Key +BREAK –
  Display the System Properties dialog box.
• Windows Key +D – Show the desktop.
• Windows Key +M – Minimize all windows.
• Windows Key +Shift+M – Restores minimized windows.
• Windows Key +E – Open My Computer.
• Windows Key +F – Search for a file or folder.
• CTRL+ Windows Key +F – Search for computers.
• Windows Key +F1 – Display Windows Help.
• Windows Key + L – Lock your computer if you are connected to a network
  domain, or switch users if you are not connected to a network domain.
• Windows Key +R – Open the Run dialog box.
• Windows Key +U – Open Utility Manager.