The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

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 about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Check if you have an Exchange account in classic Outlook. How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

欧洲经济区域中，存在 Skype 率不同？. 从，2019 年 5 月 15 日开始新的欧盟法规某些条件下大写 Skype 用户驻留在欧洲经济区 (EEA) 中的呼叫和短信的价格。. 具有上限的价格适用于呼叫的 SMS 从放在 EEA 内和定向到另一个 EEA 国家/地区的电话号码。. 呼叫和不计入下新 ...

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.

请按照以下步骤重置你的 Microsoft 帐户密码。. PC 版 Game Pass 计划让你可以在 Windows 10/11 设备上畅玩一组高质量的电脑游戏。. 体验 PC 版 Game Pass 的最佳方式是使用适用于 Windows 的 Xbox 应用，可从 Microsoft Store 或以下位置下载：. 适用于 Windows 的 Xbox 应用.

Scammers may call you directly on the phone and pretend to be representatives of a tech company. They might even spoof the caller ID so that it displays a legitimate support phone number from a trusted company. They'll probably ask you to install applications that give them remote access to your device.

Manage your contacts and Contacts list. Lync 2010. There are several actions you need to do to keep your Contacts list current. This article helps you organize your contacts so that you can easily find the people who you need to get in touch with.

在移动设备上打开 Xbox 应用，然后选择“社交”选项卡。. 如果要打开聊天，请执行以下任一操作：. 从好友列表中选择个人资料，然后选择“发送消息”。. 或者选择“ 新建聊天 ”图标，然后从好友列表中选择一人（或多人）以添加到消息。. 选择“ 新建聊天 ...