How to create a bootable USB drive to install any old/new MacOS into external/internal hard drive ?
Briefly, in this video I have downloaded macOS Catalina and created a bootable (16 BG) USB drive. Also, I have prepared another USB drive (32 GB) to be used as an external hard drive to install macOS Catalina on it. I have successfully installed macOS Catalina on an external USB drive using another bootable USB drive. All of theses steps have been discussed in this tutorial: -
01:38 - Where to download all official versions (old & new) of macOS? you can download from this link: https://www.itech4mac.net/macos-tutor...
04:06 - Intro to create a bootable USB Drive using these macOS.
05:09 - How to format a USB Drive (16 GB) to be suitable as a bootable macOS drive.
06:01 - How to create a bootable macOS Catalina into external USB drive (16 GB).
08:27 - How to format an external USB Drive (32 GB) to be suitable as an external Hard drive (to be used for installation of macOS)
10:10 - Now we have 2 USB drive a 16 GB that contain the bootable macOS Catalina and a 32 GB that prepared to be used as external hard drive to install Catalina on it.
🟢 Important Notes
14:13 - How to restart your Mac into selective boot to select the bootable USB drive.
14:44 - How to use the prepared bootable USB drive to install macOS Catalina into the internal Hard drive.
👉 The video can be used as a solution to the problems: -
"This copy of the macOS installer application is too old to be opened on this version of macOS."
"How to downgrade your MacBook to any version of macOS"
👉 Notes:
1- you can download official new/old macOS using the links on this page:-
https://www.itech4mac.net/macos-tutor...
2- How to convert macOS Sierra installOS.dmg to a bootable .iso image?
https://www.itech4mac.net/virtualmach...
3- How to install macOS Monterey in VirtualBox on MAC?
https://www.itech4mac.net/virtualmach...
#bootable_macOS #Apple #Unsupported