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.

Enter code and reset password. Confirm the code to create a new password. Learn how to create a strong password. Paste or type the code you received and select Next. Type your new password and select Next.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page. You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

了解在 Xbox One 主机上看到“已阻止您的账户在 Microsoft Store 中进行购买”错误消息时如何解决此问题。

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。

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.

To find a customer service phone number in your country, please click a region and find your country. Note: Support cases for Surface devices may only be initiated online.

If you pre-ordered a game and want to cancel, you can do so up to 10 days before the game launches at: Order history. After this time, you may be billed, and you’ll need to request a refund to cancel your order. For more info about digital game pre-orders, see: Pre-order Xbox digital games in the Microsoft Store.

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

如果你仍收到相同的消息，则需要通过联系购买代码时的零售商或联系 aka.ms/contactxboxsupport 请求更换代码。 当你联系支持人员时，请确保提供购买证明、序列号和你尝试兑换的代码。