Download GarageBand on that newer machine so it links permanently to your account history.
This version primarily targets two security flaws that were identified in earlier builds:
We strongly advise against cracked versions. They often contain malware that steals your Apple ID credentials. Use the free, official methods above.
Version 10.4.8 was a crucial release because it bridged the gap between the classic GarageBand workflow and the newer Logic Pro features. It introduced several quality-of-life improvements that made the "download" worthwhile for serious producers: