更改或重置 Windows 密码 - Microsoft 支持
更改或重置 Windows 密码. 如果你忘记或丢失了 Windows 设备的密码，可以更改或重置密码。. 若要开始，请从以下选项卡中选择你的 Windows 版本。. Microsoft 非常重视安全性。. Microsoft 帐户、Windows 操作系统和其他 Microsoft 产品包括密码来帮助保护你的信息。. 本文提供 ...
将数据从行转置到列，或将数据从列转置到行 - Microsoft 支持
Windows Web. 如果有一个工作表，其中列包含数据，需要旋转才能按行重新排列它，请使用 “转置” 功能。. 使用它，可以快速将数据从列切换到行，反之亦然。. 例如，如果数据如下所示，则列标题为“销售区域”，左侧为“季度”：. “转置”功能重新排列表 ...
适用于:
Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...
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
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 ...
Move your files to a new Windows PC - Microsoft Support
You'll need: A OneDrive storage location. Internet access. Move files to a new Windows PC using an external storage device. You'll need: An external hard drive or network drive. Note: If you're moving from a Windows 7 PC rather than a Windows 10 PC, see Moving to a Windows 10 PC for info on how to bring your files with you.
Download and install or reinstall Office 2019, Office 2016, or Office ...
Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
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.
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
修复 Windows 中的声音或音频问题 - Microsoft 支持
首先在“获取帮助”应用中运行自动音频疑难解答。. “获取帮助”将自动运行诊断，并采取正确的步骤来解决大多数音频问题。. 打开“获取帮助”. 如果“获取帮助”应用无法解决声音或音频问题，请尝试列出的可能解决方案：. Windows 11 Windows 10. 1. 检查扬声器 ...