To translate the WinShell GUI to another language, follow these steps:

1. Go to the 'Translations' directory.
2. Copy the file 'en_us.txt' to your language code, like 'xx_yy.txt'.
3. Open the file 'xx_yy.txt' in an editor and translate the english words
   on the right side.
4. Open the file 'translations.txt' and add the line 'xx_yy : Language'.
5. Start WinShell to check if everything works okay.