Press the keys Win + R
In the panel displayed, type regedit
Click yes to make changes
Under the File button (next to view, edit, favorites, etc.) in the
top right, type HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts
Scroll down until you find Segoe UI Emoji, and delete it.
Install the attached file or go to the techpowerup post. (Right-click the attached file > More
options > Install for all users.)
It is the latest windows 10 emoji set.
Restart your pc
You just installed the windows 10 emojis.
It may not include the flags or the "newly invented" emojis, but it is the Windows 10 emoji font.
See also this post from techpowerup.