If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or provide any personal information.

Discusses how to remove viruses, spyware, rogue software, or malware using Microsoft Security Essentials, Microsoft Safety Scanner and Microsoft Defender Offline.

Find solutions to common problems, or get help from a support agent.

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.

步骤 2：报告主机遭窃. 我们建议你向当地执法机构和保险公司报告主机遭窃。. 你需要提供丢失主机的序列号。. 要查找序列号：. 登录到你的帐户，然后选择“设备”类别下的“所有设备”。. 转到遭窃的主机，然后选择“显示详细信息”。. 序列号列在“设备 ...

如果代码用于游戏内易耗品（如游戏内货币、皮肤或武器），请检查游戏的商场或角色的装备。. 你可能需要联系游戏的发布者或开发人员，以获取有关在游戏中查找物品的其他帮助。. 如果内容已作为可下载内容 (DLC) 安装到主机，则可以按照以下步骤找到它 ...

如何将我的 Xbox 控制器连接到电脑？. 许多电脑游戏允许你使用 Xbox 无线控制器而不是键盘或鼠标来玩游戏。. 可以通过使用 USB 电缆、适用于 Windows 的 Xbox 无线适配器或蓝牙将控制器连接到 Windows 设备。. 有些 Windows 设备还附带了 Xbox 无线功能，因此无需适配器 ...

If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.

Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again.

兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。. 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。. 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。. 请注意，如果帐户的未结余额或付款选项不再有效 ...