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macos catalina stuck

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    Install Mac OS Catalina without bootable stick via Alt + CMD + r on 32GB as hdd replacement?

    Hey, would it be possible one. 32GB USB stick to use as an alternative HDD or SSD.? If so, how do I have to format the USB stick so that it counts as an HDD hard drive without problems during the installation? is first of all only an alternative because my logic board would only be there in 2...