Setup

MedienUpload Lite & Pro

Lite from wordpress.org, optional Pro add-on with a license. Real folders under uploads/medienupload-lite/.

1. Install Lite

Search for MedienUpload Lite under Plugins → Add New, or install from wordpress.org.
Activate the plugin.
Optional: open Settings → MedienUpload Lite.

2. Use folders (Lite)

Open Media, create folders in the left sidebar, select a folder as upload target and filter. Physical path: wp-content/uploads/medienupload-lite/.

3. Install Pro (optional)

Lite must be active.
Upload medienupload-pro-1.0.8.zip and activate it.
Enter the license key under Settings → MedienUpload Lite.

Purchase / license →

4. Pro features

Move selected media into a folder (button in the Media Library)
Physical file move on the server
Date folder mode: year/month, year only, or none

5. Updates

Lite: wordpress.org.

Pro: https://plugins.froendhoff.com/MU/medienupload-pro.json (currently 1.0.8).