This I have tried,This is what it says for me:
Included in clean installs of Windows 10 as well as upgrades to Windows 10 from Windows 8.1 or Windows 7. In some editions of Windows 10, it's included as an optional feature that you can enable. To do that, select the Start button, then select Settings > Apps > Apps & features > Manage optional features > Add a feature > Windows Media Player, and select Install.
Edit: That's weird, the link doesn't work any more. Try this one:
It's not the same page, but should hopefully guide you to getting WMP.