You can share a keyboard and mouse across multiple Windows and macOS computers, if you know the right tools to use.

While a keyboard is available by default when you install Windows based on the language, you can add a new one. You can always switch between the default or multiple keywords easily. Go to Settings > ...

Although, Windows 10 can detect the Keyboard layout of your MacBook, yet, you may not be able to use the Function keys (F1-F12). Moreover, the brightness of the backlit keyboard may not be set at all.