A: No. Version 5.x uses a new licensing algorithm. Keys purchased for v4.x are invalid for v5.x. You must purchase a new key for the latest release.
The "Pro" registration key is required to unlock advanced capabilities that the free version does not support: Advanced File Systems : The Pro key unlocks support for file systems. Encrypted Drives : Pro users can mount and read drives encrypted with or other Linux-native encryption methods. Commercial Use linux reader pro key new