A legitimate DMG will be named something like:
Install_macOS_High_Sierra_10.13.6.dmg or macOSHighSierra10.13.6.dmg
Avoid names like HighSierraFinal.dmg.exe or HS_Installer.zip (unless it’s a true ZIP of a DMG).
The legitimate macOS High Sierra 10.13.6 DMG should be approximately 5.2 GB to 5.4 GB.
You are downloading an operating system. One bad DMG could install a rootkit. Before you double-click anything:
If after searching you still cannot locate a verified macOS High Sierra 10.13.6 DMG on Google Drive, here are two safe backups: macos high sierra 10136 dmg google drive best
What to avoid: Any website that requires you to install a “download manager” or asks for your credit card info. Legitimate DMGs are free – Apple never charged for macOS updates.
The final build number for macOS High Sierra is 17G66. When searching Google Drive, you should look for a filename similar to:
Warning: Avoid files named simply "HighSierra.dmg" without a version number, as these could be older betas or corrupted downloads. A legitimate DMG will be named something like:
While Apple no longer supports High Sierra with feature updates, version 10.13.6 received security updates until late 2020. It is significantly more secure than El Capitan or Yosemite, while still being lightweight enough for older spinning hard drives.
Mark remembered a cardinal rule of I.T. security: If it looks too easy, it probably is. He decided to investigate these "best" Google Drive links before clicking download.
He quickly discovered three major red flags inherent in these types of search results: If after searching you still cannot locate a
Frustrated but determined, Mark closed the Google Drive tabs and looked for the official method. He discovered that while Apple removes High Sierra from the main App Store "Featured" page, they rarely delete the installer entirely for legacy users.
He found that Apple provides a specific, hidden link on their support servers. When clicked on a Mac, this link triggers the Mac App Store to download the official Install macOS High Sierra application.
However, Mark ran into a snag. The App Store link downloaded the installer, but he wanted a bootable USB drive—a safety net in case the installation failed. The App Store installer was an app, not the DMG file he originally searched for. To create a USB installer, he needed a specific tool.