Once installation done, system will reboot. The OS X Mavericks installation will take about 35-50 minutes according to your Mac speed, so be patient. Select your hard disk that you have formatted in steps above, click Install button You will see OS X Mavericks installation wizard click on Continue button.Īccept the Software license agreement, click Agree button. Clean Install OS X MavericksĪgain OS X Utilities screen will appear, and this time you proceed with “Install OS X” option to install a new copy of OS X Mavericks and click on Continue button Let it complete the process to format your Mac hard disk, in result it will erase whole data from disk. On Disk Utility window, select your Mac hard drive from left panel where you want to install OS X, and from right side of screen select “Erase” tab, “Mac OS Extended (Journaled)” from the list, and click on “Erase…” button. Wait for a while and “OS X Utilities” window will appear with several options, here we will use “Disk Utility” to format hard disk for installing a fresh OS X Mavericks, Select the Disk Utility option and click on Continue button You can create OS X Mavericks USB by following our guide but remember that you must have a 8GB USB drive to create OS X Mavericks bootable USB. To perform OS X Mavericks clean install on system its required to have OS X Mavericks bootable USB flash drive. So its recommended to backup first before proceeding with the fresh / clean install OS X Mavericks process. But if you want to install OS X Mavericks from scratch, that means a fresh install in that case all data, contents and apps will be erased from your hard disk.

When you simply upgrade Mac to new OS X Mavericks it will just upgrade the operating system and keep your data, contents and installed programs saved. Continue reading to know about the OS X Mavericks fresh install. But if you want to make a clean install OS X Mavericks on a Mac hard disk then guide below will help you to do that. Its quite normal to upgrade a Mac to OS X Mavericks just by downloading the OS X via App Store.

Apple OS X Mavericks v10.9 is released as a free download for all users.

Clean install mac os x without usb