You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

If you're in Windows 11 and you're having problems with an app from Microsoft Store, consider these updates and fixes. First, sign in to your Microsoft account. Next, work through these possible solutions in the order presented. Make sure Windows is up to date.

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.

You can use the new web Office Add-ins in most of the Office 2016, Office 2019, and Microsoft 365 applications. Select a heading below to open it and see the detailed instructions. Start an Office add-in for Word, Excel, PowerPoint, or Project

How to redeem a code on Xbox Series X|S and Xbox One. Press the Xbox button to open the guide, and then select Store. Press the View button to open the side menu, and then select Redeem. Enter the 25-character code, select Next, and then follow the prompts.

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.

管理在线安全和隐私设置. 在 Xbox.com 上登录到 Microsoft 帐户。. 选择玩家代号，然后选择“更多操作”按钮 (…)。. 选择“Xbox 设置”，然后选择“隐私和在线安全”。. 因为正在访问敏感信息，可能需要输入密码或 PIN。. 选择“Xbox Series X|S、Xbox One 和 Windows 10 设备 ...

For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card. Learn more.

在“欢迎”下，选择“请求加入”。. 俱乐部的所有者和管理员将收到通知。. 在俱乐部接受你的请求后，你将成为俱乐部会员，并且俱乐部将显示在导航页的“人脉”区域中。. 若要查看俱乐部邀请，请选择“Xbox 上的俱乐部”（参阅步骤 1）。. 当你收到俱乐部 ...

Outlook add-ins provide solutions to help you better interact with Outlook and complete tasks on your messages and appointments without leaving Outlook. Some add-ins are installed by your email administrator, but you can install other ones from the Office Store. Select a tab option below for the version of Outlook you're using.