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Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 管理员版, Microsoft 365 Mac 版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版
Create installation media for Windows - Microsoft Support
To create installation media, go to the software download website, where you'll find step-by-step instructions. On that website, you can select a version of Windows and create your own installation media using either a USB flash drive or a DVD. To go directly to one of the versions, select one of these links: Windows 10 (Then select Download now.)
Fix sound or audio problems in Windows - Microsoft Support
If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections.
在 Windows 上调整后台录制设置 - Microsoft 支持
要调整后台录制的时长,请执行以下操作:. 选择“ 开始 ” ,然后打开“ 设置 ” 。. 在“ 游戏 ” 下面选择“ 捕获 ”。. 请确保将“ 录制发生的情况 ”设为“ 开 ”,然后(如有必要)选择“ 向下箭头 ” 以获取更多选项。. 选择“ 录制最后一次 ”下拉框以 ...
游戏错误: "文件 d3dx9_xx。未找到 DLL " - Microsoft 支持
Windows 7 或 Windows Vista. 将游戏的光盘 1 CD/DVD 插入到计算机的 CD/DVD 驱动器中。. 单击 " 开始 " ,然后单击 " 文档 "。. 找到并单击 " 计算机 "。. 找到并单击该 CD/DVD 驱动器。. CDDrive:\ DirectX9 注意 在此路径中, CDDrive 表示 CD 驱动器的驱动器号。. 双击 Apr2005_d3dx9_25_x86 ...
Update drivers manually in Windows - Microsoft Support
In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...
How to earn Microsoft Rewards points - Microsoft Support
Here are some of the ways you can earn Microsoft Rewards points: Search with Bing *. Search the web through the search box on the taskbar on your Windows 10/11 device. Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web). For more ...
适用于: Microsoft 帐户仪表板
Shut down (turn off) your PC - Microsoft Support
Windows 10. To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.
How to sign in to or out of Outlook.com - Microsoft Support
To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...
适用于: Outlook.com
Fix Bluetooth problems in Windows - Microsoft Support
Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...