Edit: Due to the fact that this article is old, the installation instructions may not work anymore. In order to successfully install the latest version of Wine, please access the wine tag and open the latest article (the one on top).
The latest installation instructions for Wine
Hello Linux Geeksters. In this article I will show you how to install Wine 1.6 RC2 on Ubuntu 13.10 Saucy Salamander, Ubuntu 13.04 Raring Ringtail, Ubuntu 12.10 Quantal Quetzal, Ubuntu 12.04 Precise Pangolin, Linux Mint 15 Olivia, Linux Mint 14 Nadia and Linux Mint 13 Maya, via PPA.
As you already know, WineHQ, commonly known as Wine is a software used for allowing users to install Windows programs on Linux, Mac OSX and BSD systems. It converts the Windows API calles to POSIX calles, eliminating the performance and memory penalties. To find out the features and bugfixes of Wine 1.6 RC2, see the official announcement.
Because the second release candidate of Wine 1.6, Wine 1.6 RC2 is available in the ubuntu-wine ppa, all you have to do is:
$ sudo add-apt-repository ppa:ubuntu-wine/ppa
$ sudo apt-get update
$ sudo apt-get install wine1.6
$ sudo apt-get install winetricks