Hi Gennadiy,
You can change the theme and layout of the touch keyboard by editing the registry. You need to edit the following registry keys:
Open the Registry Editor.
Go to the following path: HKEY-LOCAL-Machine \ Software \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Touch Keyboard
Under this path, you can create or edit the following two DWORD values to change the theme and layout of the touch keyboard:
KeyboardLayout: Set it to 0 to use a white keyboard theme.
KeyboardLayoutOption: Set it to 0 to remove the standard layout option.
Note: Before making changes to the registry, be sure to back up the registry to prevent unexpected situations from occurring. And please note that modifying the registry may have adverse effects on the system, so please operate with caution.
Please let me know if you have any other questions.
Best regards,
Jill Zhou