This is Windows NT Embedded 4.0 with Service Pack 6 in Virtualbox!
How to install:
1. Install Windows NT Server 4.0 RTM
2. Install Windows NT 4.0 SP6
3. Install IE4 (IE5 and IE6 if necessary)
4. Install Windows NT Embedded 4.0 SP6!
5. Done!
Thanks to Gabriel37451 and Haris M. for an ISO!
Download link to the .ISO:
https://winworldpc.com/download/41654...
Serial: 123-11111
SP6: Coming soon!