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

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

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. Run the System File Checker tool (SFC.exe) To do this, follow these steps:

On your PC, in the Phone Link, select Messages. To start a new conversation, select New message. Enter the name or phone number of a contact. Select the person you want to send a message to. A new message thread opens for you to begin with.

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

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

Press Windows logo key + Shift + S for a static image snip. Press Print Screen ( PrtSc ) for a static image snip. Press Windows logo key + Shift + R for a video snip. Work with your screenshots. With Snipping Tool open, select one of the following to create and work with your screenshots.

查找好友来玩游戏和聊天. 好友列表显示你的 Xbox 好友的当前动态，并允许你与他们进行互动。. 直接跳转进入文本聊天或群聊天（一对一或在组中），加入好友的电脑游戏或邀请他们加入你的游戏，并查找要关注的人。. 查找好友：. 按 Windows 徽标键 + G 打开 Game ...

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

Desktop Themes. A theme is a combination of desktop background pictures, window colors, and sounds. To get a theme, expand one of the categories below, select a link for the theme, and then select Open. This saves the theme to your PC and puts it on your desktop.