KDP is Kindle Direct Publishing, a free publishing program on Amazon. If you want to use KDP to publish ebook and paperbacks, you first need to register an account. Even if you have an amazon account, you are still required to create an account. You can use the same email ID though. When you are logged in, you will see opens to create ebooks or paperbacks. You are required to upload your manuscript in MS Word or PDF format.
The book will be available on Amazon store in less than 72 hours provided you have followed all publishing rules.
The book will be available on Amazon store in less than 72 hours provided you have followed all publishing rules.