If you have Subversion (
http://subversion.tigris.org) on your PC, you can just type:
svn checkout svn://svn.berlios.de/codeblocks/trunkIf you have TortoiseSVN (
http://tortoisesvn.tigris.org), then you can right-click onto a folder from inside Windows Exploder and select "Checkout...", then enter:
svn://svn.berlios.de/codeblocks/trunkwhere it says "repository URL".