You can only get a PAL version from England. The Decalogue, is the victim
of one of the saddest distribution histories, a mixture of self-delusion,
greed and incompetence (the asking price for U.S. rights by the
Canadian company which owns the North American rights was $1.5 million).
The result is that is is not in distribution in any form in U.S., and
has only been seen in festival-type situations.