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my mid-2010 13 inch MBP running Catalina with DosDude1s patcher. : r/mac
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:max_bytes(150000):strip_icc()/001-use-your-ipad-as-second-monitor-1994716-8711d72a1a40414c8610548b23e21a3a.jpg "How to Update Your MacBook Air Laptop")
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