Hello Linux Geeksters. As you may know, the NVIDIA 346.47 GPU driver has been released for Linux, FreeBSD and Solaris, bringing support for new GPUs: Quadro K620M, Quadro K2200M, GeForce GTX 965M Maxwell, fixes for GLX issues, and a DisplayPort audio bug after monitor hot-pluging has been removed.

For more information see the changelog.
In this article I will show you how to install the Nvidia 346.47 drivers on Ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr, Linux Mint 17.1 Rebecca, Linux Mint 17 Qiana, Elementary OS 0.3 Freya, Pinguy OS 14.04, LXLE 14.04, Peppermint Five, Linux Lite 2, Deepin 2014 and other Ubuntu derivative systems.
Because it is available via PPA, installing the Nvidia 346.47 drivers on Ubuntu 14.10, Ubuntu 14.04 and derivative systems is easy. All you have to do is add the ppa to your system, update the local repository index and install the nvidia-346 and nvidia-settings packages. Like this:
$ sudo add-apt-repository ppa:xorg-edgers/ppa
$ sudo apt-get update
$ sudo apt-get install nvidia-346 nvidia-settings
Optional, to remove the Nvidia drivers, do:
$ sudo apt-get remove nvidia-346 nvidia-settings