Once you have the .app installer, you can create a bootable DMG for backup or multiple installs:
Once the download is complete, verify that the downloaded file is indeed the macOS High Sierra 10.13.6 .dmg file: download+macos+high+sierra+10136+dmg+mac+install
macOS High Sierra 10.13.6 Update: Recommended for users currently on 10.13.5. Once you have the
Related search suggestions (terms you can search next) Once you have the .app installer
Method 1: Download macOS High Sierra via the Mac App Store (Recommended)
or Apple’s support pages using a compatible Mac. Once downloaded, the file can be converted into a or flashed directly to a USB drive using the createinstallmedia Conclusion
Before proceeding, verify that your Mac supports macOS High Sierra (version 10.13.6). Generally, any Mac that supported macOS Sierra can run High Sierra.