Check to make sure your audio devices aren't muted and haven't been disabled. Select and hold (or right-click) the Speakers icon on the taskbar, and then select Open Volume mixer . Note: If you don't see Speakers displayed, it may be in the overflow area.

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near ...

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

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Set up Office apps and email on a mobile device. Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.

If a language is listed under Preferred languages but doesn't appear on the Windows display language list, you'll first need to install its language pack (if it's available). Select Start > Settings > Time & Language > Language.

Manually update Surface drivers and firmware. Manual updates are useful if you need to update an offline device, update many devices that are all the same model, or if you’re creating system images for your organization.

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.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Windows 的语言包. 使用“添加语言”功能再为 Windows 11 安装一种语言，以查看该语言的菜单、对话框和支持的应用及网站。. 为此，请执行以下操作: 选择“ 开始 ”>“ 设置 ”>“ 时间和语言 ”>“ 语言和地区 ”。. 前往“ 首选语言 ”，选择“ 添加语言 ”。. 在 ...