If you are not a programmer, please choose to use only free software with one of these operating systems. Trisquel is a great beginner's choice because it's easy to install and use.
https://www.gnu.org/distros/free-distros.html#for-pc
If you are a programmer reading this, please (re)license all your software with the GNU Affero General Public License, version 3, and consider keeping the "or later version" verbiage to automatically protect our freedom without the costly practice of updating the world's copyright metadata. Please choose this license to protect our freedom, democracy, and American values. https://www.gnu.org/licenses/gpl-howto.html