How to change Fonts and Colors in SSMS Query Editor

To change the fonts and colors in SQL Server Management Studio (SSMS) Query Editor window, go to:
Tools -> Options:


Environment -> Fonts and Colors:

SSMS query editor fonts and colors

You can change the font, size, display item, foreground and background colors.
These settings are global for all text element types for all editors in SQL Server Management Studio.

To return to the default settings click 'Use Defaults'.