Our 3D CAD supplier models have been moved to 3Dfindit.com, the new visual search engine for 3D CAD, CAE & BIM models.
You can log in there with your existing account of this site.
The content remains free of charge.
In order to define a base directory above the start directory, click on the Browse... button. You will then see the dialog box Choose directory. You can select the existing drives and the base directory in one of them by clicking with the mouse.