How to open or save the current version:
Click on a file in the display area. In order to open the version, click on in the popup. In order to save the version, click on in the popup.
How to upload a new version:
Click on a file in the display area. Click on in the popup below Upload new version. Select a file.
Enter a version comment.
Click on .
How to open or save a certain version:
Click on a file in the display area. In the popup, click on . Click on a version's name. A menu opens.
In order to open the version, click on the menu entry. In order to save the version, click on the menu entry.