In Calibre, go to > Plugins > Load plugin from file . Select the DeDRM zip file and restart Calibre.
on a device that doesn't natively support it (like an older Kindle), you can use several reliable conversion methods: orson scott card visitors epub converter
Here are the most reliable software options to convert your Visitors file into a pristine EPUB. In Calibre, go to > Plugins > Load plugin from file
iOS/Android App You can convert directly on your phone. If you downloaded Visitors as a PDF to your iPhone, open EPUBor, select the file, and it spits out an EPUB in seconds. Perfect for reading on the go. select the file