PROCAD 2.60 in Blender 2.49b: installation

After importing DXF in Blender, some problems start immediately because the common commands present in any CAD don't exist in Blender, or simply aren't so simply to use as in the classical drawing software. Where is the offset? How can I put the quotas? And so on... Fortunately there is PROCAD that helps the users to fix some aspects of own imported sketch. Let's see how install it and translate the UI in English.