How long do you have to wait to connect to web.wechat.com?

When I try to connect to web.wechat.com, I get the error:

For security reasons, newly registered WeChat accounts can not log into WeChat for Web. To use WeChat on a computer, you can download WeChat for Windows or WeChat for Mac at http://wechat.com

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How long do you have to wait to connect to web.wechat.com? (no longer considered a newly registered WeChat account)