The \"Browse For Folder\" Windows dialog is very inconvenient because:
You can set the file mode in QFileDialog to QFileDialog::Directory
QFileDialog
QFileDialog::Directory
see http://qt-project.org/doc/qt-5.0/qtwidgets/qfiledialog.html#FileMode-enum
Or You can use QFileDialog::setOption with value QFileDialog::ShowDirsOnly
QFileDialog::setOption
QFileDialog::ShowDirsOnly