How to Install macOS Catalina on Unsupported Macs

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Download the Patching Tool

macOS Catalina Patcher can be downloaded from http://dosdude1.com/catalina/
Before beginning, ensure your model is compatible under the "System Compatibility" tab on the page. Most 2008 to 2011 Macs are compatible with the patching tool.
macOS Catalina Patcher is a third-party tool developed by dosdude1, who has developed trusted, similar tools since macOS Sierra.

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