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.

Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

Want to learn more and find out if your device supports device encryption? See Device encryption in Windows. Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

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

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.

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.

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

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

You can reassign some keys to access different commands, shortcuts, or Microsoft Mouse and Keyboard Center features to better fit your work style. Note: The options listed in this wizard vary depending on the key selected.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.