Install Scratch on Mac

  1. Open the folder MacScratch
  2. Click on file AdobeAIR.dmg
  3. When it opens another file called AdobeAirInstaller, click on it. It will be begin installing AdobeAir.
  4. When it requests your password, enter it.
  5. Click Finish
  6. Click on the file Scratch-422.dmg. I will open another file called “Install Scratch 2”
  7. Go to System Preferences>Security and Privacy
  8. Click on the lock icon an enter your password.
  9. Click on Allow From Anywhere. Do not close this window; we will want to set it back to Mac App Store and identified developers when we are done.
  10. Click on “Install Scratch 2”.
  11. It will warn you that you “Install Scratch 2” is an application downloaded from the Internet. Click on Open.
  12. Click “Continue” to install it in “/Applications”
  13. It will install Scratch and warn you that it is an application downloaded from the internet. Click on Open.
  14. When it opens right click on the icon in the Dock and choose Options > Keep in Dock
  15. Click on “Mac App Store and identified developers”, then click on the lick to prevent further changes.