Standalone updates can be useful if you want to install the same update again or on another computer.
Instructions on how to do that are on the Internet/Youtube. A bootable ISO or bootable USB can be made from this installer.
Un-archive the zip archive and you will get the app Installer. You might have unexpected results if third-party OS X modifications have been installed, or you modified OS X through other means. Official OS X Yosemite Installer from the Mac App Store.Don't interrupt the installation process after it has begun.Some updates become available only after installing another update. Use the Mac App Store to install this update and other available updates. Downloading and using different Mac OS installers is very common for troubleshooting purposes, for IT staff and admins, and for tinkerers.This method allows you to download Mavericks and Yosemite by logging with your Apple ID only if you previously downloaded them from the Mac App Store. You can back up with Time Machine, for example. Scroll down to find the preferred OS X version. It will install an app named Install Version Name. You should back up your Mac before installation. macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion Safari will download the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg.Fixes an issue in QuickTime Player that prevented playback of Windows Media filesįor detailed information about the security content of this update, see Apple security updates.You can also use the download link below to head directly to OS X Yosemite in the App Store. To download and install the update, head to the Apple menu and choose Software Update, the OS X Yosemite installer is several GB in size and can be found under the Updates tab. Fixes an issue in Photos that prevented importing videos from GoPro cameras OS X Yosemite is available as a free download from the Mac App Store.Improves compatibility with certain email servers when using Mail.The OS X Yosemite 10.10.5 update improves the stability, compatibility, and security of your Mac, and is recommended for all users. Open that app from your Applications folder to start installing the operating system.The OS X Yosemite v10.10.5 Update is recommended for all OS X Yosemite users. Safari will download the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Download the Yosemite installer from the Mac App Store and make sure it’s in your main Applications folder (/Applications)it’s called Install OS X Yosemite.app. macOS High Sierra can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion.macOS Mojave can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion.macOS Catalina can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks.macOS Big Sur can upgrade Catalina, Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks.A file named InstallMacOSX.dmg will download to your Mac. If you still need OS X Yosemite, use this link: Download OS X Yosemite. After you've downloaded the installer from the App Store, the installer will open automatically. For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of macOS. Within OS X Utilities, choose Reinstall OS X. Prepare a clean external drive (at least 10 GB of storage).
The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Safari uses these links to find the old installers in the App Store. Install older OS X onto an external drive.