Windows10にしてみたら、予想どおり、AppleWirelessKeyboardの「英数」「かな」が効かなくなりました。というわけで、前と同じように BootCamp のアップデータにあるドライバをごにょってしてしまうやり方です。 BootCamp5.1.5640.zip → AppleKeyboardInstaller64.exe Mac keyboard function keys on Windows 10 not wo... | Apple Support Communities https://discussions.apple.com/thread/7155759 I use a Apple Bluetooth Keyboard with my Surface Pro 3. After upgrade to Win 10, keyboard worked but without any of the enhanced functions. I did the following: Uninstalled as many Apple related Bootcamp pieces of software (ultimately all I had left was "Boot Camp Services" which I couldn't uninstall, but whatever) Downloaded Boot Camp Support Software 5.1.5640 ( https://support.apple.com/kb/DL1721?locale=en_US ) Unzip, and navigate to Bootcamp\Drivers\Apple In case of a fresh install, run BootCamp.msi (In my case Boot Camp Services was already still installed) Run "AppleKeyboardInstaller64.exe After reboot, all my functionality was back Boot Camp Suppor