DvorakPolish Layout for Windows
- Download Microsoft Keyboard Layout Creator https://msdn.microsoft.com/en-us/globalization/keyboardlayouts
- Open the project file and choose Project->Build DLL and Setup Package
- Run Setup
- You should be able to switch between DVORAK and QWERTY Polish layout with CTRL+SHIFT.
Delete related registry entry in HKEY_LOCAL_MACHINE/SYSTEM/Control/Keyboard Layouts