These instructions are for use with Adobe Reader. 免费下载

1. Be sure you've completely filled out your portion of the form and do not wish to make any further changes.  重要的  Once your signature is applied to the PDF, your signature and any form fields related to it 不能 被改变. Optionally, you can create a copy of the PDF prior to signing as a backup.
    
2. 点击 the appropriate signature field(s).
    
3. If you've previously created a digital ID, select it and click 继续，然后跳到 步骤9.
   If a digital ID does not exist, click CONFIGURE NEW DIGITAL ID.
   
   
    
4. Select CREATE A NEW DIGITAL ID (alternately, you may import an existing digital ID if you have obtained as a file), then click 继续.
   
   
    
5. Select a destination to store your newly-created digital ID, then click 继续.
   
   
    
6. Fill out your profile information. Key Algorithm may be left on the default value. For "Use Digital ID for", set to 数字签名. 点击 继续.
   
   
    
7. Select a location on your computer where you will save your digital ID file and create a password to protect it. 完成后，单击 保存.
    重要的  This password protects your digital ID and will be required any time you choose to sign PDFs using this digital identity now or in the future.
    
   
    
8. Select your newly created digital ID, then click 继续.
   
   
    
9. Verify that the selected digital ID is correct. If correct, enter the digital ID's password, and click 标志. 
    重要的  Once the digital signature is applied, all fields related to this signature will be locked and cannot be edited. 
   
   
    
10. When successfully completed, the digital signature will appear on the PDF.