This should give you the new keyboard as an option under Control Panel -> Region and Language. If you have to compile your own layout file then Keyboard Layout Creator packages it up as an installer which you can then run. This link has onward links to Apple German, Apple Swedish and Apple UK English layout files. To correctly define the keys, use the English keyboard layout We use Cookie because this is how the Internet works. There are a number of pre-existing keyboard layout files for international Apple keyboards available on the internet (where people have previously gone through the pain). To resolve this requires the use of the Microsoft Keyboard Layout Creator and a keyboard layout file which allows the keys to be mapped appropriately*. Switches keyboard layout (if more than one is installed). Installing my Windows guests with the default 'United Kingdom' keyboard the € (Option+2) and # (Option+3) symbols don't appear. Managing Programs Shift-F9 F10 F12 c-Tab c-Tab c- Option-c-Esc Shift-c-3 Shift-c-4 c-space.
In my particular case, I have a 2017 iMac host with a UK layout bluetooth Magic Keyboard (Apple part A1644). When using VirtualBox with non-US keyboards there can be issues with mapping obscure keys into Windows guests.
