No official ISO.
The official way to download macOS High Sierra is through the Mac App Store. However, if you're looking for an ISO file, you'll need to use a workaround. Here are the steps: mac os high sierra iso download
Downloading macOS High Sierra ISO requires careful attention to ensure you obtain a legitimate and safe copy. We recommend using the official Mac App Store to download the installer. If you're an advanced user, you can create an ISO file from the installer using third-party tools. Always verify the integrity of the downloaded file and follow best practices for installation and security. No official ISO
Whether you need to revive an old Mac or set up a virtual machine, finding a reliable is the first step. macOS 10.13 High Sierra is a crucial "bridge" version of Apple’s operating system, being the last to support 32-bit apps and the first to introduce the modern APFS file system. Official Ways to Download macOS High Sierra Here are the steps: Downloading macOS High Sierra