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.

Detailed information about downloading and using Microsoft Authenticator in China. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

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.

Getting ready for the Windows 11 upgrade. How to check if your device meets Windows 11 system requirements after changing device hardware. Learn how to use the PC Health Check app to help you improve your device performance.

Check here for the known game issues that we're currently tracking and find out what you can do about them. Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

You should be notified ahead of time if the full rate for a subscription changes for your region. You can also view the status of your subscriptions and manage them online by signing in to your Services & subscriptions page with your Microsoft account: Services & subscriptions.

Add or remove accounts on your PC. Create a local user or administrator account in Windows. Switch your Windows 10 device to a local account. An explanation of how to change the name on your Microsoft account.

How to get a refund on Microsoft 365 subscriptions. To get a refund on Microsoft 365 Basic, Personal or Family, follow the steps to cancel the subscription: Go to the Subscriptions page of the Microsoft account used to purchase your subscription.

Sending a message. If you haven't already set up messages, do the following: On your PC, in the Phone Link, select Messages. To start a new conversation, select New message. Enter the name or phone number of a contact. Select the person you want to send a message to.

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.