#HOW TO UPDATE YOUR MAC FROM 10.9.5 INSTALL#

What does reinstalling do and what to expect?

Follow the On-screen instructions to reinstall.

Hold down the вЂњCвЂќ key to boot to the optical drive.

If you are attempting to reinstall a version of OS X before Lion, then you will need to do so from the installation DVD (either retail, or gray restore DVD that came with your Mac). This will update your system to 10.9.2, even when OS X 10.9.3 or later are the only options available for download through Software Update. For example, for OS X 10.9.2, search the page for вЂњOS X 10.9.2 ComboвЂќ and then download the disk image, open it, and run the installation package contained in it.

#HOW TO UPDATE YOUR MAC FROM 10.9.5 INSTALL#

However, if you would like an intermediary version, then you can download and install the Combo updater for the desired version from AppleвЂ™s Support Downloads Web page(). If you simply need the latest version of OS X, then you can use AppleвЂ™s software update to get the most recent versions of all Apple-provided software. After restarting, check the version of OS X that was installed, which can be seen in the вЂњAbout This MacвЂќ panel in the Apple menu. This process should only replace system files on your Mac, leaving user accounts, settings, and installed applications intact. Select вЂњReinstall OS XвЂќ from the tools windowДЄfter doing this, follow the on-screen instructions to download and reinstall OS X.Release the keys when you see the Apple logo and spinning wheel.Hold down the Command-R keys when you hear the boot chimes.Therefore, to reinstall OS X, you just need an active network connection, and then follow this procedure:

Starting with Lion, Apple has made OS X available for reinstallation online through the use of the OS X Recovery partition. Choosing the second option in the main OS X Utilities window will allow you to reinstall OS X (click for larger view).

How to update your mac from 10.9.5