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

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Use Remote Desktop on your Windows, Android, or iOS device to connect to a Windows 10 PC from afar. Here's how to set up your PC to allow remote connections and then connect to the PC you set up.

兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。. 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。. 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。. 请注意，如果帐户的未结余额或付款选项不再有效 ...

Go to the Advanced security options of your Microsoft account dashboard and scroll down to the App passwords section. Create password. Enter this app password where you would enter your normal Microsoft account password in the application.

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

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

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.

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.

If you're unable to update, you can also sign in to Skype on a supported device . We'll take you through the process of installing the latest version of Skype. We’re continually releasing updates to our application, based on customer feedback. Check out What's New in the latest updates for Skype on desktop and mobile .