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 ...

If you still need help, select Contact Support to be routed to the best support option. If you’re a business customer, visit Business billing help or Understand your bill for Microsoft Azure. Learn what to do if you find charges you don't recognize from Microsoft.

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.

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

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

Follow these steps to reset your Microsoft account password. Follow the steps on this page to change the Microsoft account email address or phone number (also known as your account alias or username) that you use to sign in.

Check warranty status. To check the warranty status for Microsoft accessories like mice, keyboards, cameras, or headsets, contact us . For more detailed info, see Check your Microsoft warranty and create service orders or Manage devices used with your Microsoft account.

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

Office is prompting me for a product key. Use your Microsoft account, not your product key, to install and activate Office and individually purchased Office apps, such as Project, Visio, Word, Excel, and Outlook. Sign in to install Office. Bookmark the site below so you always know where to go to install Office.