# After downloading the app sudo /Applications/Install\ macOS\ Catalina.app/Contents/MacOS/InstallAssistant_springboard # But instead, run the patcher GUI, point it to the app, select USB drive. # Patcher will ask for patches: check "Legacy USB", "Legacy Graphics", "Avoid compatibility check". # Write to USB (at least 16GB). # Boot from USB on target unsupported Mac using Option key.
Select the option and target your newly formatted USB drive. 🚀 Step 3: Install and Apply Post-Install Patches Shut down your Mac completely. macos catalina 1015 19a583 mac app store dow patched
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