Step 12: Drag 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 ‘ Go to the folder’ box type /Volumes and click Go.
Step 8: Type -volume followed by a space. Step 7: Drag createinstallmedia 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: Launch a Terminal window via Applications → Utilities → Terminal.
#MACOS CATALINA ISO DOWNLOAD INSTALL#
Step 3: Open Finder → Applications and right-click on Install macOS Catalina Beta 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 Apple’s developer portal, or download the macOS Catalina public beta via Apple’s public beta website. After Catalina 10.15 launches later this fall, you’ll be able to download it directly from the Mac App Store.
#MACOS CATALINA ISO DOWNLOAD 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 there’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 I’ve been using and my experience with it has been great. It’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. You’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, it’s preferable that you use a USB flash drive with a USB-C connection if possible. Flash driveīefore beginning you’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.
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