The Workbin isn't just for single files. You can:
Connect your Vita to your PC and open the Content Manager Assistant (CMA) or QCMA. vita workbin install
After installing Vita Workbin, perform the following post-installation configuration steps: The Workbin isn't just for single files
If you are using real hardware with the plugin, the process is slightly different as you are placing the files directly into the Vita's file system via VitaShell . vita workbin install