K4mobidedrm pluginK4mobidedrm pluginzip and double click on it. Click on the appropriate plugin (e. Just navigate to the Calibre_Plugins folder in the tools folder (that you should have already unzipped). . If you have Amazon Kindle ebooks that were downloaded to your Kindle, you must enter your Kindle’s serial number into the customisation field of the K4MobiDeDRM plugin. . . . . 1_plugin. . org/files/hxlvl2ed4ctzk7mjdldb. guys, thanks for your help, but I really cannot find the plugin -... more