To ship packages, domestic or international, you must use the SendPro Enterprise system.  To obtain access to the Desktop version, you must first complete the SendPro Enterprise Setup Form.

Once you have been setup, follow the attached SendPro Enterprise instructions. 

To send a package internationally, follow the steps on the attached instructions, with the addition of these instructions:  SendPro Enterprise International Shipping Instructions

Note:  Be sure to use the smallest packaging possible as some carriers charge not only by the weight of the package, but also the dimensions.