1. Log in/register. You can click Settings and click Use an existing Amazon account in My Account to log in to the account; or click Create a new account to register an Amazon account. 2. Set the payment method. Newly registered users need to set up a payment method. You can fill in the relevant information and click Next. 3. Enter the address. This address is used to confirm sales rights. 4. Visit the Kindle store to purchase e-books. 1) You can click Store to visit the Amazon Kindle e-book store to purchase e-books. 2) In the store, you can search directly by keywords such as book title and author; you can also find the e-books you need through the activity area and recommendations. 3) Place an order on the product details page of the e-book you want to purchase: If there is a KU monthly subscription service, you can enjoy free reading. For service details, please check the link; if there is no monthly subscription service, you can purchase it for the corresponding amount. 4) Payment can be completed through the following three channels: credit card payment, WeChat payment and Alipay payment. Among them, credit card payment requires binding the credit card in advance, and Alipay payment requires assistance on the computer to complete the payment. Taking WeChat payment as an example, you can click to place an order and then scan the QR code through WeChat to complete the payment. 5) After completing the payment and the purchase is successful, you can go to my library to view the book. 5. Download and read e-books. If the e-book sent to the library has not been downloaded, you can click on the book again to download it. After downloading, you can click to read. When you open the e-book for the first time, the details of the book will pop up, including the title, author, regular reading time and annotations. After understanding, you can click the close button on the upper right to close the details for reading.