Windows 7 Embeddded lives on till at least 2021
You've just described one of the (alleged) use cases for Windows 7 Embedded.or its derivatives:
https://support.microsoft.com/en-us/lifecycle/search?alpha=Windows%20Embedded%207
These are basically repackaged versions (with different licences) of the Windows 7 you already know and love.
Support for at least two repackagings continues until 2021.
Biting the hand that feeds IT
