You can download the complete version here.
Here's the link to the full collection which includes the Treaty on the European Union, the Treaty on the Functioning of the European Union, the Protocols, Annexes,and Declarations. There's also the all important and useful Table of Equivalences showing the correspondence between the old and new article numbering.
This publication also includes the Charter of Fundamental Rights which now has legal force.
And there's a consolidated version of the European Atomic Energy Community Treaty in the OJ 2010 C 84, p. 1.