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I tried downloading Mac OS High Sierra 10.13.6 on 02/16/2020 from the Apple website for my MacBook Pro, 15-inch, Mid-2010 laptop and got the following error message: "This copy of the Install macOS High Sierra application is damaged, and can‘t be used to install macOS." So...anyone experience a similar problem and/or found a workaround solution?
Delete the copy of "Install macOS High Sierra" from your Applications folder and try downloading it again while in Safe Mode.
Use safe mode to isolate issues with your Mac - Apple Support
Delete the copy of "Install macOS High Sierra" from your Applications folder and try downloading it again while in Safe Mode.
Use safe mode to isolate issues with your Mac - Apple Support
Download problem with High Sierra
