$27.95
10-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$19.99
32GB MacOS High Sierra 10.13.6 (Latest Version), Bootable USB Drive 3.0,Full Install Mac OS XAmazon$11.99
The 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$39.99
8-in-1 MacOS Mountain Lion、Mavericks、Yosemite、El Capitan、High Sierra、Mojave、Catalina、Big Sur, Bootable USB Drive 3.2, Full Install/Upgrade/Recovery/Restore Mac OS XAmazon