Upgrading Through Every Version of macOS on real Macs

Upgrading from Mac OS 9 to macOS Sonoma, through every version of Mac OS X / OS X / macOS in between. Five Apple Laptops are used. All 23 years of operating systems are run on supported hardware. 00:00:00 - Mac OS 9 00:04:38 - Mac OS X v10.0 (Cheetah) 00:10:28 - Mac OS X v10.1 (Puma) 00:13:41 - Mac OS X Jaguar (v10.2) 00:18:16 - Mac OS X Panther (v10.3) 00:18:44 - Mac Upgrade 1 00:25:03 - Mac OS X Tiger (v10.4) 00:30:48 - Mac OS X Leopard (v10.5) 00:35:30 - Mac OS X Snow Leopard (v10.6) 00:36:30 - Mac Upgrade 2 00:42:00 - OS X Lion (v10.7) 00:44:08 - OS X Mountain Lion (v10.8) 00:46:10 - OS X Mavericks (v10.9) 00:48:53 - OS X Yosemite () 00:52:49 - OS X El Capitan () 00:55:05 - Mac Upgrade 3 00:56:18 - macOS Sierra () 00:58:59 - macOS High Sierra () 01:00:43 - macOS Mojave () 01:02:50 - macOS Catalina () 01:05:26 - macOS Big Sur (v11) 01:08:53 - macOS Monterey (v12) 01:11:45 - Mac Upgrade 4 01:12:17 - macOS Ventura (v13) 01:16:44 - macOS Sonoma (v14)