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- $27.9510-in-1 Mac OS X Bootable USB for High Sierra, El Capitan, Catalina, Monterey, Lion, Mountain Lion, Mavericks, Mojave, Ventura, and Sonoma—128GB Fast USB 3.1 Dual PortsAmazon
- $11.99The Complete Beginners Guide to Mac OS: (For MacBook, MacBook Air, MacBook Pro, iMac, Mac Pro, and Mac Mini with OS X High Sierra – Version 10.13)Amazon