Go to www.sublimetext.com and download the 64 bit version.
Sublime Text Editor is not source as WinRAR, so we can extract the binaries under /opt
# ls /opt
Output:
firefox  google  teamviewer

# tar xvfj  Sublime Text 2.0.2 x64.tar.bz2
# cd /opt/Sublime\ Text\ 2/
There is the excutable sublime_text

Run in the term:
$ sublime_text

Add the program it to /usr/bin (There should update with the distro upgrade)
# ln -sf /opt/Sublime\ Text\ 2/sublime_text /usr/bin/sublime_text

Add the program to the Activities All Programs > Main Menu > section Programming, in Gnome:
Name: Sublime Text Editor
Command: sublime_text
Icon: Find one in /opt/Sublime\ Text\ 2/