Apple officially provides High Sierra through the Mac App Store and via direct package links.
This link will launch the Mac App Store to download the official installer.
: Navigate to Apple's How to download and install macOS page.
app might fail to recognize AVCHD media from certain cameras. Mail Improvements : Resolved a bug that prevented users from moving messages to other accounts. Compatibility & System Requirements
Download the installer from Apple only . Extract the DMG yourself if needed. Avoid shady “High Sierra 10.13.6.dmg” download sites – they often bundle malware.
