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.

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.

In Windows Media Player, you can play audio CDs, data CDs, and data DVDs that contain music or video files (also known as media CDs). You can also play video CDs (VCDs), which are similar to DVDs, although the video quality isn't as high.

订阅因未付款而处于锁定状态的原因有多种：. 借记卡上的资金不足. 信用卡已到期. 你的信用卡被盗，因此你关闭了该帐户. 你收到了一张新信用卡，并关闭了旧信用卡. 由于某些其他原因，你的银行拒绝了购买.

To connect your controller with Xbox Wireless, you might need the Xbox Wireless Adapter for Windows. If your PC has Xbox Wireless built in, you can connect the controller directly without an adapter. If you’re using the Xbox Wireless Adapter: Plug the Xbox Wireless Adapter into your PC.

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

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.

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history. On the Order history page, find your order and then look under Status. Open Rewards dashboard.

Choose how much information you want to share with Microsoft by changing your privacy settings. To do this, select Start , then open Settings , and select Privacy & security . You'll see a list of general privacy options. There are links to specific privacy settings on the left of the page.