Copyright Aid

AndyJ,you are expert and responsible
thanks for your attention to my problem.
I learned from The Link that Iranian aren't offending when they use Microsoft product
also American can Publish Iranian products because Iran and US haven't copyright relation.
do you accept ?

thanks for your reply
then,an iranian can use Microsoft Windows Xp in Iran,can't he?

thanks
so,it means non-signatory countries can use products of member of Berne.yes?
in fact non-signatories and signatory accept this state.

what is Berne Convention's opinion about usage of products that have copy right by countries that aren't member of Berne?
could they use product of member of Berne?
please reply me