LibreOffice reviews: https://www.g2.com/products/libreoffice/reviews
LibreOffice download: https://www.libreoffice.org/download/download/
LibreOffice forum: English - Ask LibreOffice
LibreOffice forum will migrate from Ask to Discourse on the first week of August 2021.
All help is online. Offline help does not work due to a bug that has not been fixed for a year.
free Microsoft Office: https://www.youtube.com/watch?v=DuQyKM7_V-Y