Here is the opening screen of SPBulkW. You can drag files into the large white box on the left for upload, or you can press the "Add Files" button below.
Once you have the files you want to upload, you'll need to assign a Title and Description to each one. Select a file, then click on Title to type in a title. When you navigate to another file, the title will be saved.
Control-N and Control-P are handy shortcuts to quickly assign title and description to many files.
Please see the
article page for full documentation.