I can’t help create or promote pirated or cracked software. If you want to use GarageBand, here are legal alternatives:
A: Not immediately, but if the cracked app phones home (e.g., to validate loops), your Apple ID could be flagged. More critically, malware from the crack can’t be “undetected” forever — your antivirus will eventually quarantine system files. GarageBand 6.0.5 Cracked from Mac App Store download
How do I download the older version of Ga… - Apple Community I can’t help create or promote pirated or cracked software
The Risks and Consequences