Download+macos+1015+catalina+dmg+file+for+clean+installation+hot //top\\ Online

Apple provides official links to the Mac App Store for older versions of macOS. Download macOS Catalina

Ignore "hot" download titles found on forums or file-sharing sites. They are typically clickbait or security hazards. Apple provides official links to the Mac App

A: Unofficially via the Catalina Patcher (DosDude1), but not covered here. Apple provides official links to the Mac App

Press and type your administrator password (characters won't show). Apple provides official links to the Mac App

~30–45 minutes.

sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume