The attached registry file is provided "AS IS". It is UNOFFICIAL and UNSUPPORTED. USE AT YOUR OWN RISK.
The Microsoft official guidance on the 2016 Egyptian DST cancellation can be found here.
In general, the Microsoft official guidance is sufficient for most end-users, and should be followed instead of using this file. However, the registry file here offers an alternative for those that need it. More information is available here.
This file is intended to run on Windows Vista and newer operating systems only.