Three months after the release of the Windows 10 Creators Update, there is still no support for systems with the Intel Atom "Clover Trail" processor. Most computers and laptops with this processor are three to four years old, and this includes some of the first 2-in-1 devices. As it stands right now, these users have no way to upgrade their system to the latest version of Windows 10.
Microsoft doesn't provide exact details but there appears to be a fundamental driver incompatibility between the Clover Trail platform and Creators Update. Messages from hardware makers indicate they're working on this issue but it's unknown when Clover Trail users can expect the update.
ZD Net suggests that if a fix doesn't arrive within six to nine months, these users risk getting cut off from security updates. That is probably a bit premature as this is a special situation, but it's still pretty weird Microsoft hasn't resolved the situation yet.
And that's a big problem for owners of those devices. In the "Windows as a Service" model, Microsoft's servicing policy says, "Each Windows 10 feature update will be serviced with quality updates [security and reliability fixes] for 18 months from the date of the feature update release."
If Microsoft sticks to its announced support deadlines, any device running Windows 10 version 1607 will stop receiving updates in early 2018. In some cases, this cutoff date will be only three years after those devices were placed in service.