License
7-Zip Copyright (C) 1999-2018 Igor Pavlov.
Licenses for files are:
The GNU LGPL + unRAR restriction means that you must follow both GNU LGPL rules and unRAR restriction rules.
Note: You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.
Read file License.txt for full information about license.