Move aside DEP (iOS) and ZeroTouch (Android)...
Here's AutoPilot ( Win 10)
For me, long overdue seeing Windows 10 came out in 2015.
The just released Windows 10 "Fall Creators Update" now enables this gem of a feature.
Enough criticism. This feature will allow you to send your employees a new device and have them set it up themselves in a few steps. The rest happens automatically.
Here's the introduction video from Microsoft.