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.

Manually resize your partition by 250 MB. Open a Command Prompt window ( cmd) as admin. To check the WinRE status, run reagentc /info. If the WinRE is installed, there should be a “Windows RE location” with a path to the WinRE directory. An example is, “Windows RE location: [file://%3f/GLOBALROOT/device/harddisk0/partition4/Recovery ...

Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

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

Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

Manage devices used with your Microsoft account. Adding a device to your Microsoft account helps you see its warranty status, get support or request service. You can also find or lock it if it's lost. On this page: Add | Register | Repairs | Rename | Remove | Unlink | Find & lock.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers. If your email account provider isn't listed, contact your admin or the email provider's help desk.

You can also reset your password on your Xbox console (below). If you’re unable to access any of the contact methods associated with your account (and thus unable to receive the security code required to reset your password), skip to “Recover your Microsoft account online” below.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

If you paid for an Office product to be included on your new Windows PC, a digital product key is transmitted to your PC when you activate Windows. You won't receive a printed product key. Instead, you'll see a message similar to the following when you start Word (or any Office app).