Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Need to update your billing address or add a payment option? You can do it online or on your Xbox console. Update your billing address. Collapse all. Update your info online. To update your billing address: Sign in to the Microsoft account you want to update. Go to Payment & billing and select Address book.

Get help with a damaged or unreadable code. If you’re unable to read all 25 characters of your digital code, you’ll need to request a replacement code by contacting aka.ms/contactxboxsupport. When you contact support, make sure to provide the proof of purchase, the serial number, and a picture of the damaged code.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

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.

In the meantime, sign in to your account to see your latest refund request status. You can view your Xbox purchase history on your Xbox console or the web. Use the steps below to review your info or get help with a charge that you don’t recognize.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

How to redeem a code on Xbox Series X|S and Xbox One. Press the Xbox button to open the guide, and then select Store. Press the View button to open the side menu, and then select Redeem. Enter the 25-character code, select Next, and then follow the prompts.