Not sure if your link is really a viable alternative. The first line of the Readme says it is for Windows 10:
> Optimize-Offline is a Windows Image (WIM/ESD) optimization module designed for Windows 10 versions 1803-to-2009 64-bit architectures.
> Optimize-Offline is a Windows Image (WIM/ESD) optimization module designed for Windows 10 versions 1803-to-2009 64-bit architectures.