Top 10 keyboard shortcuts

1.Ctrl + C or Ctrl + Insert -  Copy the highlighted text or selected item.

2. Ctrl + V or Shift + Insert - Paste the text or object that's in the clipboard.

3. Ctrl + Z and Ctrl + Y - Undo any change. For example, if you cut text, pressing this will undo it. This can also often be pressed multiple times to undo multiple changes. Pressing 

4. Ctrl + Y wouldredo the undo.

5. Ctrl + F- Open the Find in any program. This includes your Internet browser to find text on the current page.

6. Alt + Tab or Ctrl + Tab- Quickly switch between open programs moving forward.

Tip: Press Ctrl + Tab to switch between tabs in a program.Tip: Adding the Shift key to Alt + Tab or Ctrl + Tab will move backwards. For example, if you are pressing Alt + Tab and pass the program you want to switch to, press Alt + Shift + Tab to move backwards to that program.

Tip: Windows Vista and 7 users can also press the Windows Key + Tab to switch through open programs in a full screenshot of the Window.

7. Ctrl + Back space and Ctrl + Left or Right arrow
Pressing Ctrl + Backspace will delete a full word at a time instead of a single character.
Holding down the Ctrl key while pressing the left or right arrow will move the cursor one word at a time instead of one character at a time. If you wanted to highlight one word at a time you can hold down Ctrl + Shift and then press the left or right arrow key to move one word at a time in that direction while highlighting each word.

8. Ctrl + S - While working on a document or other file in almost every program pressing Ctrl + S will save that file. This shortcut key should be used frequently anytime you're working on anything important.

9. Ctrl + Home or Ctrl + End - Move the cursor to the beginning or end of a document.

10. Ctrl + P - Print the page being viewed. For example, the document in Microsoft Word or the web page in your Internet browser.

Tip : Page Up, Space bar, and Page DownPressing either the page up or page down key will move that page one page at a time in that direction. When browsing the Internet pressing the space bar will also move the page down one page at a time. If you press Shift and the Space bar the page will go up a page at a time.

Tip: If you are using the space bar to go down one page at a time press the Shift keyand space bar to go up one page at a time.