clean install

(redirected from clean upgrade)

clean install

A completely new installation of an operating system or application on a computer. In a clean install of an OS, the hard disk is formatted and completely erased. In a clean install of an application, the older version is uninstalled first. Installing an OS on a new computer or installing an application for the first time is automatically a clean install. Contrast with "in-place upgrade."

The Clean Upgrade
If the clean install is for a newer version of software already running on the computer, it is also called a "clean upgrade."
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Would you rather the government had money that was raised from the companies that created the problem to help you invest in a clean upgrade to your own business, or that the government took your taxes and gave them to the companies that created the problem so that they could upgrade without having the impact on their (multi-million dollar) bottom line?
They had to maintain the customizations, but they did not have access to the systems core engine to alter its functionality, whether to correct a bug or to enhance its functionality, nor did they have a clean upgrade path to upgraded versions.
That capability provides a clean upgrade path that lets commercial products take advantage of new MCUs or MCUs with added memory and special peripherals--but with little or no code modification.