Now using TransMac, copy the SharedSupport folder you've created to ' /Install macOS High Sierra. Open up ist in your favorite text editor and replace this:ġ0.50 (this line may be different in your version) Only when downloading from within High Sierra I get an installer that contains the installation files, when I download it in Sierra, my installer is also just about 8 MB, the installation files are downloaded only on install (no idea where the system is storing them during installation).

Use MakeInstall.bat to create a USB installer.Ĭreate a folder called 'SharedSupport' in the download folder (again, './macOS Downloads/publicrelease/041-91758 - 10.13.6 macOS High Sierra' in case of latest High Sierra 10.13.6), and copy AppleDiagnostics.chunklist, AppleDiagnostics.dmg, BaseSystem.dmg, BaseSystem.chunklist, InstallESDDmg.pkg and ist to that folder.Īfter the copy is complete, go to that folder, rename InstallESDDmg.pkg to InstallESD.dmg. Without this step, you won't able to carry out the below ones. The one I use is Paragon Partition Manager. Download Increased security 1/3 High Sierra is an update of MacOS which focuses mostly on back-end developments and a higher level of user security.

Catalina, Mojave, High Sierra, and Sierra: Fix 1: Ensure your internet. EDIT: Before everything else, you need to extend the HFS+ partition to the take up the rest of the free space on your USB, using a third-party partition manager. Installation Steps From 10.11 or 10.12 systems, format an external hard drive with at least 500gb with Mac Os Extended Journaled. Three ways to clean install macOS Option 1: Erase content and settings (macOS.

High sierra full install