Checkout the code with TortoiseSVN:
Anonymous Subversion (SVN) access
This project allows anonymous checkouts of its source code. Use the command below and use 'anonymous' as the username and a blank password to checkout the code.
svn checkout
joomlacode.org/svn/uddeimtemplates
Create a folder, right click on it, select "checkout" and enter the path to the repository and "anonymous" as the username.