n00bs on Ubuntu posted a guide that will show you how to install Wine 1.5 (development release) on Ubuntu 12.10

Wine enables Linux, Mac, FreeBSD, and Solaris users to run Windows applications without a copy of Microsoft Windows. Wine is free software under constant development.

To add the PPA and install Wine open a terminal window (press Ctrl+Alt+T) and copy+paste the following lines:

  How To Install Wine 1.5 On Ubuntu 12.10