Unzip and use STM32CubeIDE License as follow
/*******************************************************************************
Copyright 2020 Luca Facchinetti, IW2NDH iw2ndh@gmail.com
All trademarks referred to in source code and documentation
are copyright their respective owners.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed WITHOUT ANY WARRANTY.
If you offer a hardware kit using this software,
show your appreciation buy a donation to a cats refuge ;-)
*****************************************************************************/