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.

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 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.

Here's how to pay a past-due balance on your account using a Microsoft account balance: Find your past-due subscription on the Services & subscriptions page. The amount past due is shown in red. Select Pay now, and then follow the instructions to pay the balance due.

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。

Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. This article will help you troubleshoot and fix common activation errors in Windows. For help finding your product key, see Find your Windows product key.

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.

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。

Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address. If you see a message that says "We couldn't find an account with that username." or "That Microsoft account doesn't exist", then the address you entered is not a Microsoft account. If you believe it should be: