Special actions need to be taken in order for plug-ins work on the Microsoft Store version of GIMP. Specifically, they should be packaged and codesigned. This is due to security restrictions and virtualization of MSIX packages that do not recommend a direct installation at %LOCALAPPDATA%\Packages\GIMP*\LocalCache\Roaming\GIMP, for example. From start, they needs: AppxManifest.xml Assets folder and resources.pri Plug-in files in appropriate VFS folder Configuring the ‘modification package’...