Open up WordPerfect from the programs menu or the desktop icon. Click on Tools and choose settings.

Once you click on settings you will see this box appear and you will need to double click on Files.

Make sure you are working under the document tab and where it says Default document folder is where you can make this change. Click on the icon to the right of the white box.

The select default document folder box will appear and this is where you can make the change.