https://wccftech.com/clean-install-windows-10-1809/

The latest Windows 10 version, the October 2018 Update, is now live! After months of Insiders testing Windows 10 version 1809, Microsoft is now offering it to everyone. An incremental feature update, the October 2018 Update brings a number of small improvements and features including a new screenshot tool, SwiftKey, dark theme for File Explorer, and Fluent Design touches here and there (check all the details here).

You can head over to Settings > Update & security > Windows Update > Check for updates to upgrade your machine to Microsoft’s latest offering. However, if you want to clean install Windows 10 1809, the following steps will help you out.