It's not REALLY simple, but you can figure it out. Some Kindle formats are protected, and need some DRM-stripping plug-ins for Calibre. http://www.howtogeek.com/162994/how-to-strip-the-drm-from-your-kindle-ebooks-for-cross-device-enjoyment-and-archiving/


Jan - 12 Core AMD Ryzen 9 3900X
32GB DDR4
Win 10 64-bit
Samsung m.2 SSD Boot drive,other SSD internal and USB drives.
MOTO 2
Ketron SD4,SD1000
Yamaha RX-v381amp
VB-Audio virtual cables