想要在世纪佳缘注销账号的步骤如下：
1、首先打开百度浏览器，搜索打开“世纪佳缘官网”，进入到官网中。
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2、将网页拉到最下部，点击帮助中心里的联系客服。
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https://iknow-pic.cdn.bcebos.com/f2deb48f8c5494ee99e1260522f5e0fe98257eee"/>
3、进入帮助中心页面。
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https://iknow-pic.cdn.bcebos.com/f603918fa0ec08fa530939bb56ee3d6d55fbdaa4"/>
4、在帮助中心里点击提交问题。
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https://iknow-pic.cdn.bcebos.com/8ad4b31c8701a18b65550453912f07082838fe74"/>
5、点击提交问题页面的基本咨询。
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https://iknow-pic.cdn.bcebos.com/f9dcd100baa1cd11e116643cb612c8fcc3ce2d0d"/>
6、点击页面下方的注销账号。
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https://iknow-pic.cdn.bcebos.com/c995d143ad4bd113c9fba62e55afa40f4bfb05f3"/>
7、点击注销账号，会出现管理员图标，点击我要留言。
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https://iknow-pic.cdn.bcebos.com/810a19d8bc3eb1354a29a4a7a91ea8d3fd1f443b"/>
8、按照图中格式要求，在留言框内填写完整。
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https://iknow-pic.cdn.bcebos.com/64380cd7912397dd94c68a185682b2b7d0a2876a"/>
9、填写完毕后，点击提交。
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10、提交完账号注销申请，最后就等待管理员回复。
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以上就是在电脑上注销世纪佳缘账号的步骤。