I have downloaded a book from Google Play. The book is a
.acsm, which actually isn't the book itself but just a purchase ticket that allows me to download the book on Adobe's servers. I installed Adobe Digital Editions on my computer and downloaded the book. Which programs allow me export the book into a DRM-free PDF?
Any OS or license is fine, but it should be gratis (unlike ebook-converter.com's ePub to PDF Converter).
This is how I exported the book from Google Play's My Books:
In ADE, the print function is grayed out, so I cannot get away with virtual printers it seems: