Step1:

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Click Yellow 'PAYPAL Subscribe' button showed above, payment will be made through Paypal. 

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点上方 ‘PAYPAL Subscribe 按钮，您需通过Paypal完成购买。  

Step2:

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You have to complete the subscription process at Paypal website. It's fast and secure. 

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您将在Paypal网站完成购买。程序快，且安全。

Step3:

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After payment, you'll be leaded to success-page. At the same page, fill in form which attached below (your name and email address), we will send you the PDF file's passcode via email within 48 hours.

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付款后，您将转到成功页面。下方填上名字与电邮后，我们将在48小时内通过电子邮件发送PDF文件密码给您。