How to Clean Install Mac OS X Mavericks and Mountain Lion!

Video is ready, Click Here to View ×


1. If you don’t have it yet, get Mountain Lion from the Mac App Store but do not install it yet (or redownload it if you did install it).

2. Create a bootable install drive for OS X Mountain Lion, make one manually with a USB drive or use the LionDiskMaker tool to automate the process with a USB or DVD

3. With the boot installer drive connected to the Mac, reboot and hold down the Option key.

4. Choose the “Mac OS X Installer” startup volume from the boot menu.

5. Select “Disk Utility” and choose the hard drive you wish to format, click the “Erase” tab, and then pull down the “Format” menu and select “Mac OS Extended (Journaled)” as the type, name the drive if you wish.

6. Click the “Erase” button and let the drive format — this is the point of no return
When finished, quit out of Disk Utility and now select the “Install Mac OS X” option from the menu.

7. Choose your freshly formatted hard drive and install Mountain Lion
When the Mac reboots you will have a clean installation of Mac OS X 10.8 to work with.

At this point you can either import files and apps from the backup you made, manually copy over backed up files, or just start anew.


Interact with me!


Email me:

P.S. You can also leave a coment on this video, and I will do my best to reply. Keep in mind that I do get a lot of questions, but I will do my best to answer you as soon as possible.


  1. A number of the difficulties I have encountered in my pc are lagging, screen freezing, virus, and spyware. Nonetheless, my PC’s overall performance has enhanced right after making use of this good system utility for MAC “macvo unique only” (Google it). It helps to scan for problems, enhance performance and maximize speed! Also scan and get rid of new trojans.

  2. For two years, I had been able to optimize my MacBook Pro because of this fantastic MAC system utility “macvo unique only” (Google it). This user-friendly repair software program is the ideal one on the market. This may also be the explanation why the product is well known among Apple store workers. Its overall performance is outstanding and its user interface is simple. Cleaning, Securing , Optimizing your Mac, anti virus, and spyware are samples of its amazing characteristics.

  3. Hello my name is Abdul Shakur Clement, I'm from Ghana…. I just purchased my new iMac which had mac os x 10.5.8, so I wanted to change to Mountian Lion, I brought an expert, he installed it but got stuck along the way.. He used two days and couldn't do it..I just watched your video from start to end and followed your procedures and then I got it done… I feel so happy and I wanna thank you and tell you to keep it up… I have subscribed to your channel..Thank you once again

  4. I have a MacBook 4 with 2.4 duo core and 3GB RAM I just upgraded to Lion a few moments ago and I plan to use your method to upgrade to mavericks. What do you think?

  5. Hello sir how you doing..thanks for your nice video its very useful,,but please as i am new to mac computers i have a question.. please how can i make partitions for my hard drive to install OSX in one partition and all other my stuffs on another? i mean like windows pc to install windows on drive c and other datas on D and E ? to make sure not to delete anything when i want to format my mac…thanks

  6. Easier way: From apple website: Important: To reinstall OS X, you need to be connected to the Internet.
    Choose Apple menu > Restart. Once your Mac restarts (and the gray screen appears), hold down the Command (⌘) and R keys.
    If you’re not connected to the Internet, choose a network from the Wi-Fi menu (in the top-right corner of the screen).
    Select Disk Utility, and then click Continue.
    Select your startup disk from the list on the left, and then click the Erase tab.
    From the Format pop-up menu, choose Mac OS Extended (Journaled), enter a name for your disk, and then click Erase.
    After the disk is erased, choose Disk Utility > Quit Disk Utility.
    Select Reinstall OS X, click Continue, and then follow the instructions.
    For more information about reinstalling OS X, see this help topic:

Leave a Reply

Your email address will not be published. Required fields are marked *