The things I did I scanned the letter that came with Guide 5 CD and made notes on my voice thingy, you could make notes on a tape recorder 1 Start computer 2 Press ESCAPE, then press option 2 to close Guide to put you on desktop 3 Insert the new Guide 5 CD 4 The lady on the CD tells you to press the ENTER key, just do as she says, easy 5 Take out the CD when you come to the part when she says the computer will turn itself off and on, once you took out CD, press Enter to restart the computer 6 Computer will restart and you press option 1 7 Delete the numbers and letters which apparently are to start the install and write the NEW SERIAL NUMBER, the numbers AND letters from your letter on page 3 8 Press ENTER 9 Restart Computer, which will have new GUIDE 5 Vanessa