Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: Visiting a malicious website may lead to address bar spoofing Description: An inconsistent user interface issue was addressed with improved state management. CVE-2018-4260: xisigr of Tencent's Xuanwu Lab (tencent.com) Requirements: OS X 10.11.6+. The installation process of mac os el Capitan includes two methods. The first method is termed as an upgrade install, also known as the default method. The second method is known as a clean install. Mac OS X El Capitan 10.11 DMG Install and Download. Upgrade install-Follow to below steps-Visit the Mac App Store. This update is recommended for all OS X El Capitan users. The OS X El Capitan v10.11.6 Update improves the stability, compatibility, and security of your Mac, and is recommended for all users. This update: Resolves an issue that may prevent settings from being saved in accounts with parental controls enabled. Open virtualbox and click ‘New’ to create a new virtual machine with the following details: Name: El Capitan Type: Mac OS X Version: Mac OS X 10.11 El Capitan (64 bit) Click next, select 4GB of RAM, and next again. Select the El Capitan image that you have downloaded and unzipped as the disk image, and create the machine.
To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
The version of macOS that came with your Mac is the earliest version it can use. For example, if your Mac came with macOS Big Sur, it will not accept installation of macOS Catalina or earlier.
If a macOS can't be used on your Mac, the App Store or installer will let you know. For example, it might say that it's not compatible with this device or is too old to be opened on this version of macOS. To confirm compatibility before downloading, check the minimum hardware requirements:
Safari uses these links to find the old installers in the App Store. After downloading from the App Store, the installer opens automatically.
Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.