Emojis not rendering

Question

My genuine MacOS is not showing emojis. They look just like this:

None of the following solutions worked for me:

• Creating a new user account
• Restoring Standard Fonts in Font Book
• Booting in Safe Mode
• Changing system font with macOSLucidaGrande

Answer 1

I fixed it by copying the Apple Color Emoji font from another Mac running the same OS version. You can find it in /System/Library/Fonts.