Mac下載包

http://swcdn.apple.com/content/downloads/57/38/071-97382-A_OEKYSXCO6D/97vrhncortwd3i38zfogcscagmpwksdzce/InstallAssistant.pkg

http://swcdn.apple.com/content/downloads/43/16/071-78704-A_U5B3K7DQY9/cj9xbdobsdoe67yq9e1w2x0cafwjk8ofkr/InstallAssistant.pkg

http://swcdn.apple.com/content/downloads/01/60/071-72781-A_CZ1D1FENMH/a09fvud3xxgih7qyau9a7lhtspho36mp0l/InstallAssistant.pkg

http://swcdn.apple.com/content/downloads/49/54/071-71342-A_TOSWTG0P9A/0pl87hjdasybzmpr2liwamgm9pmmorqmzh/InstallAssistant.pkg

http://swcdn.apple.com/content/downloads/55/59/071-00696-A_4T69TQR1VO/9psvjmwyjlucyg708cqjeaiylrvb0xph94/InstallAssistant.pkg

http://swcdn.apple.com/content/downloads/16/05/071-32414-A_33YH16R8HF/28ment5qr993c0l9i1qbh4fuknli9wzglp/InstallAssistant.pkg

http://swcdn.apple.com/content/downloads/40/42/071-29172-A_50FL5BT4I6/5w0xm8c31yigcf2iov4n4mlsvnw1upzo2q/InstallAssistant.pkg

http://swcdn.apple.com/content/downloads/12/32/071-14766-A_Q2H6ELXGVG/zx8saim8tei7fezrmvu4vuab80m0e8a5ll/InstallAssistant.pkg

cd '/Volumes/Macintosh HD'
mkdir -p private/tmp
cp -R '/Install macOS Big Sur.app' private/tmp
cd 'private/tmp/Install macOS Big Sur.app'
mkdir Contents/SharedSupport
curl -L -o Contents/SharedSupport/SharedSupport.dmg http://swcdn.apple.com/content/downloads/12/32/071-14766-A_Q2H6ELXGVG/zx8saim8tei7fezrmvu4vuab80m0e8a5ll/InstallAssistant.pkg