The program has outlived countless freeware programs in that span with a built-in FTP client, support for many different archives, and useful visual representations.
Creation/updating of license keys absolutely free-of-charge. The key can be received as in an automatic mode through built in means Unreal Commander, and in manual using this page. For creation/updating of keys you should possess one or several System IDs (are created by Unreal Commander through the license management).