What is Clean OS Instalation?

In clean operating system install  you need to load the operating system on a separate drive  which should be formatted and all data are gone deleted before the operating system loaded to it. when you are doing a Windows clean installation then this is gone on a unused partition  on your hard drive.  a clean installation of Windows 7 mens remove an existing operating system and replace it with a fresh installation of Windows 7 or installation of Windows 7 in a new PC recently installed.  it is also known as customised installation.


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  1. What is clean installation?
  2. Meaning of clean installation.
  3. What is Windows 7 clean installation?
  4. What is clean installation of operating system?