Install or update LibreOffice 4.2.1 in Ubuntu or Linux Mint and derivatives

 LibreOffice 4.2.1

Organization of Document Foundation after 20 days "testing" has presented the first adjustment edition of office package LibreOffice version 4.2.1, which do not include any new features, but fixes some bugs reported by users and developers noticed.

List of bug fixes can be found HERE. 

Install/upgrade LibreOffice 4.2.1 in Linux Mint
Note. If you have a previous version installed, it is no need to remove, after execution of the commands below, it will be updated to LibreOffice version 4.2.1.
Open a terminal (Ctrl+Alt+T), copy and run the following commands:

sudo add-apt-repository ppa:libreoffice/ppa
sudo apt-get update
sudo apt-get install libreoffice libreoffice-l10n-EN libreoffice-help-en

LibreOffice 4.2.1

Good luck.