Select the Manage Cog (bottom left) > File Icon Theme > TetIcons Dark / TetIcons Light
How to use
After installation and activation, you should go in settings (File → Preferences on Windows, or
Code → Preferences on OSX), choose File Icon Theme, and select TetIcons Dark or
TetIcons Light.
File icons
Folder icons
Want more?
I can add more icons if you need,
open a new issue to ask which extension you
want.