Sierra 10.13.1 Dmg //free\\ - Macos High

: If you need to reinstall High Sierra on a compatible Mac, you can use Internet Recovery (hold Shift+Option+Cmd+R at startup) to install the version that came with your Mac or the closest available.

Apple stopped signing most older High Sierra versions, so even if you find a 10.13.1 DMG, it may not install without date manipulation. For security, always use the latest available point release (10.13.6) unless you have a very specific hardware/software requirement. macos high sierra 10.13.1 dmg

includes an option to download the full macOS High Sierra installer directly from Apple. Microsoft Community Hub Important Considerations : If you need to reinstall High Sierra

It addressed a vulnerability where malicious third-party apps could potentially extract keychain passwords. includes an option to download the full macOS

If you have an older OS, first install Sierra (10.12) and update its firmware, then try High Sierra.