Filr comes with a 60-day evaluation license pre-installed. You must install a full license in order for Filr to continue functioning beyond the 60-day evaluation period.
Beginning with version 3.0, Filr is available with two license types:
Standard-Edition License: Allows all of the services traditionally available in Filr.
Advanced-Edition License: Also allows the following features:
The ability to share folders within Net Folders.
The ability to customize (brand) the Desktop and Mobile App user interfaces.
For instructions on viewing and installing Filr licenses, see Installing/Updating the Filr License
in the Filr 3.43.4: Administrative UI Reference.