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El capitan installing Error in Macbook (This copy of the Install OS X El Capitan can't verfiy) Fix!! - YouTube
![macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different](https://i.stack.imgur.com/E1BMF.png)
macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different
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mac appstore - How to download OS X El Capitan from the App Store even if never downloaded before macOS Sierra was released or purchased is grayed out - Ask Different
![Apple Mac OS X El Capitan 10.11 Installer App : Apple Inc : Free Download, Borrow, and Streaming : Internet Archive Apple Mac OS X El Capitan 10.11 Installer App : Apple Inc : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/download/el-capitan-installer-app/ScreenCap.png)