1. Open a browser, type "paperok" in Baidu, and click the "Baidu Click" button.
2. Click the "paperok Paper Detection" option.
3. At this time, open the paperok website and click the "Register" button in the upper right corner.
4. In the opened interface, enter the email address, set the password and set the user type.
5. Enter your name, mobile phone and QQ, and then click the "Register" button.
6. At this point, the registration is completed, and click the "User Center" position.
7. At this time, you can use it for free. Copy your own document at the title, author and content, and click the "Submit Duplicate Check" button to check duplicate for free.