The safest and only official way to download this update is through the Mac App Store .

1.4 A likely reason someone adds "better" in the query is: A) They want a comparison between download sources or versions B) They are asking for the best hardware to run GarageBand C) They intend to pirate the app D) They need MIDI controller recommendations

Before resorting to advanced fixes, here is the baseline process. Note: This often fails with error 1048.