If you are on a newer Mac (M1/M2/M3), the App Store may block the download. Use Mist to download official Apple installers directly. 🛠️ How to Create a High Sierra ISO
For Mac users who have the official .app : macos high sierra 10136iso
And for the last two hours, he had been downloading a file labeled macos_high_sierra_10136iso from a questionable forum hosted in a country that probably didn't exist on a map. If you are on a newer Mac (M1/M2/M3),
Use the Apple Support Download Guide to find links if the App Store is restricted on your device. macos high sierra 10136iso
: The immediate successor to High Sierra 10.13.6 is macOS Mojave (10.14) . Compatible Hardware
: You can still download the High Sierra installer through the Mac App Store on compatible devices.