How do I send epub files to my Kindle?

Step 1: Install and open the Kindle for PC software on your computer.

Step 2: Connect the Kindle into the computer's USB port.

Step 3: Open the Kindle for PC window and click on "Sync & Check for Items."

Step 4: Click "Deliver to My Kindle" under "Deliver via Whispernet." Then choose your desired device from the drop-down menu (e.g., Kindle 2).

Step 5: Click "Send now" to send your document to your Kindle device.