The Windows Setup program starts and restarts the computer, gathers information, copies files, and creates or adjusts configuration settings. Windows Setup can perform an installation that retains your settings and preferences while upgrading your operating system.

The previous Windows installation will not boot after a clean installation. Windows Setup can perform a custom installation, also known as a clean installation, which saves your previous Windows installation but does not migrate your settings. Instead, you must use Windows Easy Transfer, the User State Migration Tool (USMT), or another migration tool to move data from a previous installation to the new operating system.Ĭustom installations. However, it does not perform computer-to-computer migrations. Windows Setup can perform both clean and upgrade installations. It is also the basis for the following installation and upgrade methods:

Windows Setup is the program that installs Windows or upgrades an existing Windows installation.

Windows 11 setup