To use the on-screen keyboard in Arabic, you must first add the Arabic language pack to your system. How to Change to Arabic Keyboard in Windows 10
You do not need to download third-party software to get an Arabic keyboard for Windows 10, as the operating system includes a built-in On-Screen Keyboard (OSK) that automatically switches to Arabic once the language is installed. This feature is ideal for users without a physical Arabic keyboard or those still learning the layout. How to Enable the Arabic Keyboard on Windows 10 download on screen arabic keyboard for windows 10