For the presentation mode key, it used to be its own independent key, but Microsoft changed its mind and told manufacturers to make it send Win+P instead. Some laptop manufacturers made it depend on the Windows version (through the ACPI _OSI method), so if you pretend to be an older Windows version, it'll have the former behavior instead of Win+P (though doing so could have other negative consequences, see https://mjg59.livejournal.com/85923.html).

Unfortunately, this was long ago enough (or the search engines got bad enough at searching old stuff) that I'm not finding the place where I originally read about that; the most I could find was a StackOverflow answer (https://askubuntu.com/questions/62319/is-there-an-equivalent...).