http://www.techradar.com/news/microsoft-starts-selling-a-surface-laptop-with-windows-10-pro-pre-installed

Microsoft has started offering a version of its Surface Laptop with Windows 10 Pro pre-installed as a configuration option dubbed the ‘Commercial Microsoft Surface Laptop.’

Currently available only in the US, the options start at $1,199 costs, another $200 more to than the entry-level version of the Microsoft Surface Laptop with Windows 10 S installed.