It is possible to buy the AVLSoft PosterPrint program on a site allsoft.ru If you have difficulties with language of this site, you can use any online translator of sites. So, here allsoft.ru it will be translated by Google Translate.
There it is possible to get any of available licenses.
If you decided to get the corporate unlimited license that, except option on allsoft.ru, acquisition of such license directly at the producer is possible. For this purpose it is enough to write the letter in a free form and to send it to the address posterprint@avlsoft.com