4、打印带有Application No.的确认表格后,然后进入https://ais.usvisa-info.com/en-ca/niv (注意:进入这个网站之前,一定要填写DS160表格并拿到带有条形码确认后才能进入),直接点击Apply后,选择你目前的身份(我是永久居民,所以我选择了: I am a Non Canadian Citizen residing in Canada who has completed the U.S. Nonimmigrant Visa application (DS-160) form and want to apply for a visa. 自己根据自身情况去选择。)