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.
- Yosemite Upgrade Review
- Apple Store Yosemite Upgrade Software
- Yosemite Upgrade Download
- Apple Store Yosemite Upgrade Mac
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
Check compatibility
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that it's too old to be opened on this version of macOS, or that your Mac doesn't have enough free storage space for the installation.
Yosemite Upgrade Review
To confirm compatibility before downloading, check the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also find compatibility information on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Make a backup
Before proceeding to OS X update, Apple always recommends to take a backup of your personal data to prevent data lost, but most of the time like in-place upgrade backup will be succeeded with Apple products automatically. In‑store trade‑in requires presentation of a valid, government‑issued photo ID (local law may require saving this information). Sales tax may be assessed on full value of new iPhone. Value of your current device may be applied toward purchase of a new Apple device. Additional terms from Apple or Apple's trade‑in partners may apply. In‑store trade‑in requires presentation of a valid, government‑issued photo ID (local law may require saving this information). Sales tax may be assessed on full value of new iPhone. Value of your current device may be applied toward purchase of a new Apple device. Additional terms from Apple or Apple's trade‑in partners may apply. I see Yosemite 10.10.3 build 14D131 (release date April 8, 2015) available at There are two files (the actual Yosemite update and a combo update file. Both are over a gigabyte in size, be warned) but you only need one of them. Note that it is the only Yosemite install version that comes up in the search.
Before installing, it's a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Download macOS
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.
Safari uses these links to find the old installers in the App Store. After downloading from the App Store, the installer opens automatically.
- macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
- macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
- macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
Apple Store Yosemite Upgrade Software
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.
- macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
- OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
- OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard
Yosemite Upgrade Download
Install macOS
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed. Software similar to microsoft access.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs macOS and related firmware updates.
Learn more
You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
Anything from Apple's download servers is an update, and not a full installer for that version of the operating system. The only full upgrade installers are in the Mac App Store, and here is the link to How to upgrade to macOS High Sierra.
Anything from Apple's download servers is an update, and not a full installer for that version of the operating system. The only full upgrade installers are in the Mac App Store, and here is the link to How to upgrade to macOS High Sierra.
Before you leap from Yosemite, check the specific printer/scanner vendor driver sites to verify if either have High Sierra driver support. Also check with your third-party applications vendor sites that their applications remain compatible with High Sierra, and preferably, are 64-bit applications. Although the vendor sites are the last word on application support, you may find RoaringApps helpful too.
Apple Store Yosemite Upgrade Mac
Apple wireless keyboard replacement parts. I would also recommend the following:
- Download and run the free Malwarebytes for Mac before any upgrade to see if any malware presently exists on your Mac, and if found, can be removed. Subscription for continued realtime features is purely optional.
- Boot into Yosemite Recovery (⌘-R) and run Disk Utility First Aid on your startup drive.
- Perform one last Time Machine backup before the upgrade.
May 6, 2019 5:56 AM