#Install mac os dmg from usb how to#
#Install mac os dmg from usb install#

Step 14: Type a вЂyвЂ™ to continue when prompted, and press return on the keyboard. Step 13: Press Return on the keyboard to submit the full command and enter your password when prompted. Step 12: DragВ the USB flash drive volume into the Terminal window. Step 11: Connect your USB drive to your Mac, and it should appear in the Finder window. Step 10: In the вЂ Go to the folderвЂ™ box type /VolumesВ and click Go. Step 8: Type -volumeВ followed by a space. Step 7: Drag createinstallmediaВ to the Terminal window from the Finder location noted in Step 4. Step 6: In the Terminal window type sudo followed by a space. Step 5:В Launch a Terminal window viaВ Applications в†’ Utilities в†’ Terminal.

#Install mac os dmg from usb install#

Step 3: Open Finder в†’ Applications and right-click on Install macOS Catalina BetaВ and choose Show Package Contents. Step 2: After successfully downloading macOS Catalina, the installer will auto-launch. Until then, you can download the macOS Catalina developer beta from AppleвЂ™s developer portal, or download the macOS Catalina public beta via AppleвЂ™s public beta website. After Catalina 10.15 launches later this fall, youвЂ™ll be able to download it directly from the Mac App Store.

#Install mac os dmg from usb how to#

Subscribe to 9to5Mac on YouTube for more videos How to create a bootable macOS Catalina 10.15 USB install drive Thanks to CleanMyMac X for sponsoring this video. macOS Catalina USB installer video tutorial Make sure that thereвЂ™s nothing contained on the drive that you need, because this process will completely delete the contents of the drive. If you want a drive with extra storage, then it makes sense to opt for a higher tier, but if you just plan on using it as a USB installer, then 16GB should be plenty. The drive comes in 16, 32, 64, 128, and 256GB storage varieties. This is the drive that IвЂ™ve been using and my experience with it has been great. ItвЂ™s affordable, and comes with both a USB-C connection and a traditional USB-A connection. I recommend this SanDisk Ultra Dual Drive USB Type-C Flash Drive. YouвЂ™ll want a USB drive with at least 8GB of storage, but having more storage is never a bad thing.

In the age of USB-C, itвЂ™s preferable that you use a USB flash drive with a USB-C connection if possible.

Flash driveД«efore beginning youвЂ™ll need to acquire a USB flash drive. Follow our easy-to-use step-by-step video tutorial for the details. This hands-on tutorial will work with both the macOS Catalina developer beta, the macOS Catalina public beta, and the final version of macOS Catalina scheduled to launch later this fall. Creating a bootable macOS Catalina USB install drive is an effective way to generate a clean installation of macOS on your Mac.