Big Sur is officially macOS 11.0 as Apple finally leaves OS X behind - The Verge
New Mac User Center: The Complete Guide for Mac Newbies - The Mac Security Blog
Amazon.com: Apple MacBook Air MJVM2LL/A 11.6-Inch Laptop (1.6 GHz Intel Core i5, 128 GB Hard Drive, Integrated Intel HD Graphics 6000, Mac OS X 10.10 Yosemite) (Renewed) : Electronics
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Mac OS X di Apple compie 20 anni: Ecco perché ha resistito per 19 di essi