Dual Boot Mac OS Catalina  Mojave!

Let me show you the Easy Way and the Geeky Way to Dual Boot your Mac with MacOS Catalina and MacOS Mojave. SUBSCRIBE & HIT THE 🔔     / jessetheappleninja   YouTube Link:    • Dual Boot Mac OS Catalina  Mojave!   Last Weeks Video: Apple Developer Seed  The Geeky Way to get Catalina Beta 8!    • Apple Developer Seed  The Geeky Way to ge...   Setting up a Dual Boot Mac: Create a New APFS Volume to Install MacOS Catalina 10.15: Non-Geeky Way: Create New APFS Volume in Disk Utility Application Geeky Way: Create New APFS Volume from the Mac Terminal Command LineCommand: diskutil apfs addVolume diskContainerIdentifyer APFS DiskName Install MacOS Catalina 10.15 on the new APFS Volume: Non-Geeky Way: Double-Click Catalina10.15.app and select the new APFS Volume. Geeky Way: Reboot to Recovery Partition and Install from Mac Terminal Command Line Command: startosinstall --volume /Volumes/DiskName --agreetolicense --installpackage /Path_To_Package Apple Links: https://support.apple.com/en-us/HT204904 https://support.apple.com/en-us/HT201314 https://support.apple.com/guide/disk-...  Apple Ninja Site: www.JesseTheAppleNinja.com Discounted Courses, Apple Ninja Info, Contact Jesse. I Am Currently:  Lead Sr. Macintosh Engineer @ UnitedHealth Group / Optum / UnitedHealthcare. Udemy.com Instructor Protect Your Mac  https://www.udemy.com/protect-your-ma... Protect Your Kids and Your iPhone/iPad  https://www.udemy.com/protect-your-ki... Social Media Security 101 - Stop The Hackers! https://www.udemy.com/course/social-m... 🥋 Martial Arts Instructor @ The Art Martial Arts Studio http://www.theart-karate.com