Windows Setup is the process of installing the Windows operating system on a computer. It guides users through configuring their system, including selecting language preferences, setting up user accounts, and choosing privacy settings. This setup can be initiated from a bootable USB drive or DVD containing the Windows installation files. During the Windows Setup, users can also partition their hard drive, allowing them to manage storage effectively. Once the installation is complete, the system will restart, and users can begin using their new Windows environment, complete with pre-installed applications and features tailored to their needs.