Go to the Kindle Direct Publishing (KDP) homepage (https://kdp.amazon.com).
Click the “Sign in” button in the top right corner, and then sign in with your existing Amazon account or create a new Amazon account if you don’t have one.
After signing in, click the “Get started” button on the Kindle Direct Publishing homepage.
Fill out the required information about yourself and your book, including the title, author name, and book description.
Upload your book file in the required format (e.g., MOBI or PDF).
Set your book’s price and choose the territories where you want to sell your book.
Complete the final setup by filling out any additional information required by KDP, such as your tax information.
Once you’ve completed the setup, click the “Publish your book” button to make your book available for sale on the Kindle Store.
After your book has been published, you can use the KDP dashboard to monitor sales and royalties, and make changes to your book’s information or pricing if needed.