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)

Installing Windows 11 on devices that don't meet minimum system requirements. If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup. Redeeming your key is what links your account with Microsoft 365 so you only have to do this once.

If you're looking for Help on specific Excel Add-ins, such as Solver or Inquire, see Help for Excel for Windows add-ins. If you're looking for additional help with Excel add-ins using the COM Add-ins dialog box, see Add or remove add-ins in Excel. Get a Microsoft 365 Add-in for Excel.

For Xbox Series X|S, we’ve streamlined the Xbox Wireless Controller for comfort, performance, and instant sharing. The controller also works great with Xbox One, PC, and cloud gaming devices. For info about remapping your controller’s buttons, visit: Configure an Xbox Wireless Controller.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...

Get the Xbox app for Windows. Note that as of October 2024, Windows10 22H2 or newer is required for some features to work properly within the Xbox app and Game Bar. You can check your version of Windows in Settings > System > About > Windows Specifications > Version.

Start your game. Press the Xbox button to open the guide. Select Capture & share > Start recording. Depending on your game clip resolution and available storage space, clips can last up to 10 minutes (capturing to internal storage) or 1 hour (capturing to external storage). To end the clip, open the guide and press the X button .

Unlink a device in the Phone Link. To successfully remove a device, follow the steps below. You'll need to complete all steps for both your Android device and your PC in order to successfully unlink your device.

Help for admins of small businesses. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.