`us altgr-intl` layout on Windows 10

Solution 1:

Here you can get what you want under United States International Alternate:

http://keyboards.jargon-file.org/

You can install it either through the executable or you can opt for the KLC source file(s) and install the layout with Microsoft Keyboard Layout Creator.

Solution 2:

Another method is using an AHK script.
When you want to find out more about this method, please also take a look at the UltimateKEYS website and its GitHUB repository.

This is a project which I developed (based on EurKEY) and which attempts to harmonize languages with Latin-based alphabets on US QWERTY, having the dead key combinations, etc. on AltGr and AltGr+Shift.

This is the UltimateKEYS Keyboard Layout: