Backup your TeXstudio settings [Click in "Options" menu (upper bar) -> "Save Profile"]
- Download the latest release
- Open TeXstudio
- Click in "Options" menu [upper bar] -> "Load Profile" and select the file "dark-theme.txsprofile"
- Restart TeXstudio.
Backup your TeXstudio settings [Click in "Options" menu (upper bar) -> "Save Profile"]