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Downgrading to OS X Mavericks is an easy method.ĬleanMyMac X scans every corner of your Mac, detecting redundant files, misbehaving apps, old caches, and all kinds of junk your system generates over time.

Downgrade mac os sierra without erasing install#

You need to install a Time Machine Backup of your Mac on OS X Mavericks Also copy and save all your files from OS X Yosemite as you cannot restore a Yosemite Time Machine backup once you switch back to Mavericks.With the Time machine drive plugged in or available on the network perform the following.

Click on the Apple in the upper left and choose Restart.

When Mac is restarting press the Command and R keys together until the screen turns grey.

On the next screen choose Restore from a Time Machine Backup and click Continue.

Click on Time Machine disk then choose the backup you want to restore.

Once you have finished the backup, follow the on-screen prompts to complete the installation and restore from backup.

Note: Without backup you can still downgrade but you need a USB drive and you can manually back up all your data.

You need to create a clean install of OS X Mavericks and then move your files back to the computer.īut this is likely to take a little longer.

Download OS X Mavericks from Mac App Store.īut be careful while doing so as updates like these can change file structures and libraries used in apps.Open the Mac App Store, click on Purchase then find OS X Mavericks, click Download then click Continue and wait for the download to complete.#DOWNGRADE MAC OS SIERRA TO MAVERICKS DOWNLOAD#

Downgrade mac os sierra without erasing how to#

learn How to downgrade macOS High Sierra to Sierra, Yosemite, El Capitan, Maverick, Mountain Lion.

Click Install on the pop up that appears.Here's my issue: I recently bought a used 15" Mid 2010 MacBook Pro.

Downgrade mac os sierra without erasing license#

I installed my CS6 Master Collection lifetime license on it, and about a month later, I ran into some technical difficulties with Audition. #DOWNGRADE MAC OS SIERRA TO MAVERICKS LICENSE# I reached out to Adobe and the "help" I received was to purchase the latest version of the software, as they stated they couldn't guarantee compatibility with my OS. I instead chose to downgrade to a previous OS I ran through the boot installation process through the terminal with Apple Care on the line. The process ended up taking approx an hour, but the agent had to end the call prior to the process finishing, but gave me instructions on how to complete the process. #DOWNGRADE MAC OS SIERRA TO MAVERICKS HOW TO# I got to the point where I was asked to choose which disk to boot from, I chose the thumb drive, and I ran into the "prohibited" sign. I repeated the process, same thing afterwards, I unlocked the thumb drive, and unchecked the ignore ownership box (read it on a forum), and I ran into the same issue. I then read that another problem could be the OS in which the installer was created on in the first place to remedy this, I tried a factory reset, but here's the kicker: when at the point of re-installing the factory OS, it actually is UPGRADING to High Sierra, as oppose to the one that came with the MacBook. It was running Sierra already, and now I can only install High Sierra, and not even continue using Sierra. #DOWNGRADE MAC OS SIERRA TO MAVERICKS INSTALL#

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