Got an old Kindle? How to resurrect your e-reader with new books ...
How to add EPUB, MOBI, and PDF files to your Kindle - follow my easy step-by-step ...
Turns out you don't actually need an internal drive to run Windows properly.
You can read PDFs and articles on your Kindle: How to send all kinds of files to your device ...
Amazon is ending support for older Kindles, but you still have easy ways to keep reading—no upgrade required.