A user ID and serial number will be sent to your mailbox.
用户ID和序列号将发送到您的邮箱。
The button below will direct you through the necessary steps to receive your free serial number and user ID which may be used to activate your product.
下面的按钮，将引导您通过必要的步骤，才能收到您的免费的序列号和用户ID，这可能被用来激活您的产品。
Watermark can be the author's serial number, company logo and so on, which could be used to identify the source and version of documents and images as well as the ownership from legal user.
水印信息可以是作者的序列号、公司标志等，可用来识别文件、图像或音乐制品的来源、版本、合法使用人对数字产品的拥有权等。
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