是的，现在微信一定要用手机号码才能注册。
用手机号码注册微信的步骤如下：
一、打开微信，点击“注册”。
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二、点击注册进入后，填写上昵称，手机号码和密码后点击“注册”。
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三、点击注册后，进入安全验证，点击“开始”。
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四、进入短信验证后，按要求用才填写的手机号码发送短信后，点击“已发送短信，下一步”，验证成功后微信就注册成功了。
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