https://www.native-instruments.com/en/products/komplete/bundles/komplete-12-ultimate-collectors-edition/

[ This nfo is for Windows. Haven't opened the included Mac file. ]

You need to download each Native Instruments product directly from Native Instruments using the included files.

You might need to click on "Installed products" and click "reinstall" for each product to get it to work. Then click on "Available updates" if necessary. After that, use the crack.

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To keep each downloaded file from being deleted after install, follow the instructions below:
 
https://www.native-instruments.com/forum/threads/how-to-prevent-native-access-from-deleting-your-downloaded-iso-files-updates-mac.314112/

Right Click on your NI Downloads folder > Properties > SECURITY tab > ADVANCED button
Click Disable Inheritance
Click "Convert inherited permissions..."
Select the "USERS (COMPUTERNAMEUSERS)" group and click edit
Click "Show advanced permissions"
Now you are able to remove the two delete permissions