If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: Agreement for Microsoft Services. Microsoft Software License Terms.

If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.

如何在桌面版 Skype 中管理通知？. 选择“个人资料图片”。. 选择 “设置”。. 选择 "通知"，然后打开或关闭列出的通知类型。. 聊天通知： 若要将聊天设为静音 (呼叫仍将通过) 。. 联系人联机通知： 在联系人联机时收到通知。. 回应 ：当有人回应你的消息时收 ...

登录到 Microsoft 帐户的 “高级安全选项 ”页。. 登录. 选择“ 添加新的登录方式或验证 ”，然后选择接收安全代码的方式。. 注意: 无法添加 VOIP 号码作为登录或获取验证码的一种方式。. 我们会将安全代码发送到新号码或电子邮件进行确认。. 出现提示时输入该 ...

重置忘记的 Microsoft 帐户密码. 如果知道密码，但只想更改密码，请转到 “account.microsoft.com 安全 ”选项卡，然后选择“ 更改我的密码 ”。. 如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作 。. 1. 选择“忘记了密码？. 如果“输入密码 ...