How to help keep your Microsoft account safe and secure. Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

查看你购买的是哪个版本，Windows 10 家庭版或 Windows 10 专业版。 若要查看版本，请选择“ 开始 ”按钮，然后选择 “设置” >“ 更新 & 安全性 > 激活 ”。 在“设置”中检查 Windows 版本. 如果你购买的是 Windows 10 家庭版，将需要再次安装 Windows 10 家庭版。

If you received a digital code or card as a gift, you can either purchase another code or card to add to your account balance, or add a new credit card to your account and try making the purchase again.

Press the Xbox button on your controller to open the guide, and then go to Profile & system > Settings > Account > Subscriptions. Select the subscription that you want to manage. From here, you can view your plan, expiration date, billing history, subscription status, and change how you pay.

了解如何兌換禮品卡、代碼或 Office 產品金鑰，以及如何在 Microsoft Store 線上、Windows 或 Xbox 上支付餘額。.

要在 Xbox 主机上查看订单历史记录，请执行以下操作：. 按“Xbox”按钮 打开导航页。. 转到“档案和系统”>“设置”>“帐户”>“付款和计费”。. 选择“订单历史记录”查看你的购买记录。. 需要记住的事项：. 不能将 Microsoft 或 Xbox 礼品卡用于在 Xbox One 上购买 ...

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

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

如果你有继续取消 Xbox 订阅或数字产品购买所需的信息，请联系 aka.ms/contactxboxsupport。 支持代理会帮你取消购买。 如果你想收到此购买的退款，他们可以提供有关你是否具有退款资格的详细信息。