Obtain The Latest Revision of Enchanting
Terse Guide:
Run
bzr branch lp:enchanting
Detailed Guide:
To get the latest revision of Enchanting, you will need to download and install the Bazaar, the distributed version control system used by Enchanting. It is quite likely that you'll want to use the graphical Bazaar Explorer tool that comes with recent installations of Bazaar.
This video explains how to get the latest revision of the code using Bazaar:
If you'd prefer to read about using the system, please read the steps here. (Note that the steps for putting up your own branch have changed.)
Now that you've got the latest code, you will want to prepare and build Enchanting.