Is there a way to get a patch for the outdated OS, and just how nasty would the cost be?

Q: I have 6 windows NT Server 4 machines on the network at schools, and 3 in the central office. All in need of this DST upgrade. Is there a way to get a patch for the outdated OS, and just how nasty would the cost be?
A: Windows NT 4.0 is no longer a supported product, as described at support.microsoft.com/lifecycle/?p1=3188. Microsoft’s Lifecycle policy can be found at support.microsoft.com/lifecycle/?LN=en-us&x=8&y=6. If you are a Premier Customer you can contact your Technical Account Manager to discuss the Lifecycle Policy.