Click "Options" button at the right top of the main window, you will open an "Options" box for advanced setting.
User Interface Language: Drop down click to select your desired interface language.
Temp Folder: Select your desired temp folder on your hard disc. Default is "C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\"
Turn off PC after convert finishes: checked to automatically turn off PC after convert finishes