Step 1. Download a copy of macOS DMG file, a bootable disk image containing the macOS operating system. You can go and search from the Internet. Step 2. Download SysGeeker UltraDMG by clicking the link. Step 3. After all the operations are complete, the USB drive will have the same nam...
You can also try to create a macOS Catalina bootable installer with a reliable tool -EaseUS Data Recovery Wizard for Mac. This handy program has a built-in free utility called macOS Installer. It can help you download macOS Catalina DMG/ISO file, format USB, and create Catalina bootable ins...
How do I create a bootable USB from the InstallMacOSX.dmg file downloaded from Apple's support page (https://support.apple.com/en-us/HT208969) ? I'm trying to create a bootable USB for macOS High Sierra in order to install on a late 2009 iMac. I am currently running macOS Catalina ...
mv /tmp/HighSierra.dmg ~/Desktop/InstallSystem.dmg 然后卸载刚刚创建安装媒体文件的时候自动挂载的MacOS hdiutil detach /Volumes/Install\ macOS\ High\ Sierra 最后,把这个制作好的dmg格式的系统安装文件转换成iso格式,注意转换后的文件是HighSierra.iso.cdr,自己重命名,把这个.cdr删除就行了(这里我不太明白这个...
4. Click to get the macOS 10.15 installer download 5. Open the Downloads folder, and locate the DMG file. Click on it, agree to a few questions, and you can then choose to install the access utility 6. The downloader will ask for your password and enter it once/if requested. After ...
Find and download a macOS installer file for the version you want to install (sometimes this is a .dmg file) Create a bootable USB drive Use your installation disc or drive to boot up your Mac Prepare your Mac for the installation, if necessary ...
hdiutil detach /Volumes/Install\ macOS\ Big\ Sur mv /tmp/Install\ macOS\ Big\ Sur.dmg ~/Desktop/ ... however, the dmg file is technically a raw image file anyways, so we can just rename that to Install macOS Big Sur.img Optionally, though shouldn't be required, you can convert the...
macOS Monterey macOS Big Sur macOS Catalina macOS Mojave macOS High SierraIn addition, you can get installers of macOS Sierra, OS X EI Capitan, OS X Yosemite, and earlier from Apple.com. Safari downloads the installer as a disk image named InstallOS.dmg or InstallMacOSX.dmg. ...
A .dmg file needs to be opened before you can use it to do anything, including using it to create a bootable installer. How to create a bootable installer for macOS - Apple Support Reply User profile for user: HWTech HWTech User level: Level 9 61,904 points Apr 10, 2020 8:10 ...
Scripts of possible interest to macOS admins. Contribute to munki/macadmin-scripts development by creating an account on GitHub.