Type the following command (replace the path with your actual file path): powershell
Before proceeding with an installation, ensure your hardware is compatible, as attempting to install Catalina on an unsupported Mac will fail or cause performance issues. macos catalina dmg direct download verified
codesign -dvvv "/Applications/Install macOS Catalina.app" Type the following command (replace the path with
Drag and drop your downloaded DMG file into the Terminal window. Press . ensure your hardware is compatible