Here is Windows' US International layout:
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And here is the Debian (Ubuntu) Implementation, namely US International with dead keys:
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You see the difference. The Windows default option will not make it for my purposes, I need the second one.
The obvious question: what is the most straightforward way to export the layout from Debian (Ubuntu) and import it to Windows without having to type in each shortcut one by one with the Microsoft Keyboard Layout Creator (You need at least 10 reputation to post more than 2 links)?