Add hidden sidebar to your Muse website.
HOW TO INSTALL?
1. Extract ZIP file.
2. Go to the /Adobe Muse CC Widgets/widgets
3. Double-click widget file to import it into the Muse Library. This will launch Muse if it’s not already open.
4. Widget will show in the “Library” box (Window – Library)
Another solution:
1. Open Adobe Muse CC
2. Go to the Library (Window – Library)
3. On the bottom of the box click “Import Muse library”
4. Select file from local disk (probably Downloads folder).
5. Done 
SPECIFICATION:
Software:
Adobe Muse CC
AUTHOR:
Rosea Themes
http://muse-template.rosea.io