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We have a Late 2013 iMac that is only supported til Catalina. My colleague booted to Big Sur on one of our tester drives out of habit and… it just worked! Like
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Apple MacBook Pro (Retina, 13-inch, Late 2013) Silver, 4GB RAM, 128GB SSD MacOS Big Sur (11) Used (Grade B) - One Bite Technology - St. Albert
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Apple addresses macOS Big Sur upgrade issues impacting 2013 and 2014 MacBook Pro models | AppleInsider
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Late 2013 13” MacBook Pro Retina display Big Sur OS, Computers & Tech, Laptops & Notebooks on Carousell
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