This article will help to identify the recommended method of software installation for different models of Apple products, including desktop Macintosh computers, PowerBook, and Newton MessagePads.

Consult each heading below for software specific to your Apple product.

DESKTOP and POWERBOOK COMPUTERS
PERFORMA COMPUTERS
POWERBOOK 145B, POWERBOOK 150
NEWTON MESSAGEPAD

DESKTOP and POWERBOOK COMPUTERS

ANY software on floppy disk :

1. Start up the computer while holding the shift key down on the keyboard, until you see the "Welcome... Extensions Off (or Disabled)" message. Let go.


2. Follow the exact installation instructions provided with your software.


3. Restart normally, making sure you are NOT holding down any keys at startup.

1. Insert the CD which contains your software. It should show up on the screen.

2. Now, follow the exact installation instructions provided with your software.

3. Restart normally, making sure you are NOT holding down any keys at startup.

PERFORMA COMPUTERS

For Performa computers, use all of the same steps above for DESKTOP and POWERBOOK COMPUTERS with the following exceptions:

• Your System CD that came with the Performa is entitled "Performa CD".
  
• For help understanding why Performa models are different than standard desktop computers, consult the following Knowledge Base article: article 12501: " Performa: Backing Up and Restoring "

POWERBOOK 145B, POWERBOOK 150

For these two PowerBook models, use all of the same steps above for DESKTOP and POWERBOOK COMPUTERS with the following exception:

• For help understanding why these two PowerBook models are different than standard PowerBooks, consult the following Knowledge Base article:
  article 17269: " PowerBook 145B & 150: Backup and Restore Instructions "

NEWTON MESSAGEPAD

Consult the following Knowledge Base articles:

• article 13855: " Newton MessagePad: Installing System Updates "
• article 36501: " Newton Discussion Board: Frequently Asked Questions "
• article 17339: " Newton MessagePad: What Items Get Erased "