This creates a .cdr file. To turn it into an .iso , open the Terminal and run: hdiutil makehybrid -iso -joliet -o destination.iso source.cdr .
Run the .pkg file to install the "Install macOS [Version].app" into your /Applications folder.
Once the progress bar reaches 100%, your conversion is complete. Alternative Method: Using ImgBurn for Standard Files
Open Terminal and run the following command to allocate empty space for the operating system files (adjust the size parameter 14g if your specific macOS version requires more space):
Apple distributes macOS installers for versions like Big Sur, Monterey, Ventura, Sonoma, and Sequoia as an InstallAssistant.pkg file. Converting this file to a bootable ISO is a common task, but it cannot be done on Windows; you will need a Mac. This manual method uses only built-in macOS tools.
Your bootable macOS ISO file will now be sitting directly on your desktop, ready to be transferred to a USB drive or loaded into a virtual machine manager. Troubleshooting Common Conversion Errors
What (e.g., PS3, PS4, Mac) are these files from?
This comprehensive guide explains what these formats are, why you might need to convert them, and the exact steps to convert PKG files to ISO format for various platforms. Understanding the Formats: PKG vs. ISO
Open your Terminal ( Command + Space and type Terminal) and execute the following commands one by one to allocate space for the ISO:
Create a bootable USB drive from a macOS installer package. This method works on any Mac with a compatible version of macOS.
Input the 32-digit passcode (usually 00000000000000000000000000000000 for homebrew packages).
A: If it is a macOS Installer PKG , no. You need a Mac. If it is a game file, you can use specialized emulation tools.
Create a new folder inside USRDIR and name it exdata (if it doesn’t already exist). Move your .rap file into this exdata folder. Step 3: Build the ISO Image
The corresponding to your PKG (if the PKG is a commercial game that requires a digital license key to unlock).