NOTE:
System Requirements : 64 bit OS X 10.14, 10.15, 11 (Intel and Apple Silcon chips)
Step 1
Double click the installation file Mathematica_12.3.0_MAC.dmg
Step 2
- Drag the Mathematica icon to the Application folder.
- Double click on the Application folder.
- Double click on the Mathematica icon in order to launch it
Step 3
- Enter Activation Key
- Click Activate
Step 4
- Check the box I accept the terms of this agreement
- Click OK
Entering a New Activation Key
Step 1
- Launch Wolfram Mathematica.
- Choose Help\Enter Activation Key...
Step 2
- Enter the new activation key that was sent to you
- Click Activate
- Any old activation keys that you have received in the past will be marked as inactive by the Microshop. You will receive an email from Wolfram Customer Service notifying you of this and requesting that you uninstall Mathematica. You can disregard this message