Clean Install

What Does Clean Install Mean?

A clean install refers to the installation of a software package where the previous version is completely deleted. The alternative to a clean install is an upgrade, where portions of the original software remain and are not removed.

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Techopedia Explains Clean Install

Doing a clean install of an operating system (OS) implies formatting the hard drive. This means that all partition data will be lost and all data must be backed up to an external device. The process is to then to do the install, reinstall all applications and copy back all data.

Because this process can be time consuming, it is a subjective judgment call whether the extra time is worth it. In theory, there should not be a problem with upgrades. In practice, clean installs may be the only way to get an install to work.

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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…