For a of macOS Catalina, avoid third-party “hot” download sites offering modified DMG files. Use Apple’s official sources instead.
Paste the following command (assuming your USB is named MyVolume ): sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume For a of macOS Catalina, avoid third-party “hot”
in Safari. This will redirect you to the Mac App Store, where you can click to download the installer to your Applications folder [11]. Terminal Command For a of macOS Catalina
The installation process may take 30–60 minutes and will restart the Mac multiple times. For a of macOS Catalina, avoid third-party “hot”
: To reinstall without a DMG file, restart your Mac and hold Command (⌘) + R to enter Recovery Mode, then select Reinstall macOS .
Open → select your USB → Erase :