SQL Server management studio (version prior to 21) does not have the dark theme by default. You can make the below change to enable the dark theme option.Documentation Index
Fetch the complete documentation index at: https://rajanand.org/llms.txt
Use this file to discover all available pages before exploring further.
- Go to the below path
C:\Program Files (x86)\Microsoft SQL Server Management Studio 18\Common7\IDE\ - Modify the below file in Administrator mode. If you are using notepad++, you can launch it in admin mode.
File name:ssms.pkgundef

- Search for
Darkand add // in front of the below line to comment and save the file.
[\Themes{1ded0138-47ce-435e-84ef-9ec1f439b749}]

- Open SSMS => Tools => Options => Environment => General => Color theme and choose dark theme.

- Restart the SSMS.
