The search for “GarageBand 6.0.5 Cracked from Mac App Store download” is a trap. There is no legitimate crack because GarageBand is already free for the vast majority of users. If you have an older Mac, use the “last compatible version” feature in the Mac App Store — it’s legal, safe, and easy. If your Mac is too old for even that, free open-source DAWs like LMMS or Ardour will serve you better than malware-infested pirated software.
No. It was never free. It came with iLife ’11 ($79) or as a $14.99 upgrade from earlier versions. However, Apple no longer sells it, so the only legal way is finding your old DVD or having a time machine backup from a previous installation. GarageBand 6.0.5 Cracked from Mac App Store download