https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-windows-10-build-18845-20h1-with-emoji-120-and-fixes/

Microsoft has released Windows 10 Insider Preview Build 18845 for Insiders in the Skip Ahead ring. This 20H1 build is mostly bug fixes, but does include the finalized Emoji 12.0 emojis and Microsoft has associated keywords with them so you can search for particular ones.

If you are a Windows Insider in the Skip Ahead ring, you can update to the Insider Preview Build 18845 by going into Settings -> Update & Security -> Windows Update and then checking for new updates.