Since the idea is to perform a clean install, it certainly means that the hard drive needs to be completely formatted, therefore, do ensure that your important data is backed up in a drive.įresh Installation of OS X Yosemite on Mac It is also recommended to perform the disk partition first, in order to avoid any complications during installation.

A bootable installer drive which can be USB flash drive, is also required, though it can be any kind of drive as long as its bootable.Any Mac machine can support Mac OS X Yosemite which previously supported Mavericks.Here is an elaborated step by step procedure for those who would like to install a fresh copy of Mac OS X Yosemite without any previous preferences or settings copied over. Comparatively, it’s a lengthier process than upgrading through Mac App Store. Though the clean installation of OS X Yosemite is not a complicated procedure, however, it does take time and is also considered as a professional installation technique by many Mac users. However, there are a fair number of Mac users who prefer to perform a clean install of Mac OS X, which is a step by step procedure that involves formatting the whole disk drive, fresh installation of brand new version of Mac OS X Yosemite and then retrieving the complete data from back up. According to many OS X users, this is a much reliable as well as perfect solution for the upgrade to OS X Yosemite. A number of Mac users who upgrade their MacBook with OS X Yosemite are better off using OS upgrade feature through Mac App Store.

How to clean install mac os x yosemite