Wi-Fi, Mail, and Notification Center are only a handful of areas where Yosemite needs fixes, and Apple is now preparing to deliver. Developers have been greeted by the first incremental update to Yosemite this week, with instructions from the mother-ship to focus testing on the aforementioned components.

OS X Yosemite 10.10.1 (14B23) Available for Download – Developer News. New beta asks devs to focus on WiFi and Notification Center Nov 11, 2014 08:29 GMT. Full Version Mac OS X Yosemite Free Download Latest ISO DMG For PC And Mac Bootable Build 10.10 14A389 Vmware Download Free Mac OS X Mavericks DMG ISO PC. Sierra dmg on windows. Mac Os X 10.10 Yosemite Download Dmg A Mac OS X mountable disk imager is a DMG file also known as a DMG image. It usually contains compressed and sometimes encrypted raw block data. DMG files are frequently used to install OS X software, which is uploaded to the Mac PC from the internet and mounted on the virtual disk.

As usual, the build is a beta and is being provided for testing and development purposes to all registrants of the Mac Developer Program. Those who want to be sure that Apple irons out nasty bugs must submit a report using the online Bug Reporter at bugreporter.apple.com.

Testers will need to specify “10.10.1 (14B17),” which includes the version number and the build designation, in the bug title and description. They will further need to include a summary, steps to reproduce, results, and more details in their submission, to increase the chances of having the bug processed fast and painlessly.

What’s new in OS X 10.10.1

Nothing much. At least not yet. This is the first such update from Cupertino, with many others expected to follow through 2015. This first incremental update will most likely be released to the public in the coming weeks, as there are some pressing issues inside the OS.

If the release notes accompanying this early beta are any indication, Apple has confirmed with its engineers that Yosemite suffers from a flaw preventing it from keeping a decent Wi-Fi connection going.

A thread on Apple’s forums discussing the issue has reached more than 31,500 visits, with almost 200 replies. Most users are reporting the same experience: “It does the ‘trying to connect’ thing then stops and turn off on it's own,” as customer GalagBasha puts it.

In addition to trying to fix Wi-Fi connections, Yosemite 10.10.1 also promises to deliver fixes and enhancements for Exchange accounts in Mail. OS X’s mail has been plagued by issues surrounding Gmail and Exchange since forever. Chances are Apple needs to work closely with Microsoft to address these issues, and so they probably waited to do that after Yosemite’s public debut.

Notification Center is the third area of focus mentioned by Apple in its seed note. It isn’t clear what developers should be looking for, but apparently there are some bugs there as well.

If you’re downloading this for the first time, you'll need to log into your Apple Developer account and grab the “OS X Software Update Seed Configuration Utility” first.

Run the installer resulted from the mounted DMG file and the Mac App Store will open automatically. In the Mac App Store, visit the Updates pane. There, you should see the latest version of OS X Yosemite available for download (in this case, 10.10.1 build 14B17).

Those of you who have already installed the “OS X Software Update Seed Configuration Utility” on their Macs will only need to choose “Software Update” from the Apple menu.

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.

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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.

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.

Os X Yosemite Update

Make a backup

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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.

Os X Yosemite 10.10.1 Download

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

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

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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.

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

Os X Yosemite 10.10.1 Dmg File

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.