Locked to the Windows Store. https://www.bit-tech.net/news/bits/2017/05/03/microsoft-win10s-surface-laptop/1
Bargain licences for lucky punters. http://www.bit-tech.net/news/bits/2015/08/03/microsoft-2usd-win10pro/1
$199 for Windows 10 Pro. http://www.bit-tech.net/news/bits/2015/06/02/windows-10-retail-pricing/1
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