Will new features be limited behind a paywall? #1388 - GitHub

Automatically forces any files run from USB drives or other removable media into a sandbox for immediate protection. Legitimate Ways to Get a Certificate

A valid supporter certificate unlocks enhanced functionality that is otherwise restricted or time-limited:

Sandboxie is a sandbox-based isolation program developed by Ronen Tzur. It allows users to isolate programs and web browsers from the rest of their system. This isolation prevents programs from making permanent changes to the system, such as writing to the hard drive or modifying system files. Sandboxie is widely used for enhancing security, privacy, and system stability.