Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。
Check your device performance and health in Windows Security
The Health report starts off by showing you the last time a Device Health scan was run. The time displayed should be basically the current time, as Windows Security tries to run a Device Health scan when you open the Device performance & health page.. Beyond the time of last scan you'll see the status of the key areas that Device Health monitors:
Windows 10 update history - Microsoft Support
Windows 10, version 22H2 update history; November 12, 2024—KB5046613 (OS Builds 19044.5131 and 19045.5131) October 22, 2024—KB5045594 (OS Build 19045.5073) Preview
Troubleshooting black or blank screens in Windows
If you experience a black or blank screen on your Windows device, try the following: To wake the screen, use one of the following keyboard shortcuts:
Description of Microsoft System Information (Msinfo32.exe) Tool
Examples To view your System Information, type: msinfo32 To create an .nfo file in the folder C:\Temp with a name of Test.nfo, type:. msinfo32 /nfo C:\TEMP\TEST.NFO To create a .txt file in the folder C:\Temp with a name of Test.txt, type:. msinfo32 /report C:\TEMP\TEST.TXT To view System Information from a remote computer with a UNC name of BIGSERVER, type:
Basic tasks for creating a PowerPoint presentation
Tips for creating an effective presentation. Consider the following tips to keep your audience interested. Minimize the number of slides. To maintain a clear message and to keep your audience attentive and interested, keep the number of slides in your presentation to a minimum.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2024, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Play, share, and download a meeting recording in Microsoft Teams
Depending on the length of the video, generating closed captions can take several minutes. Once generated, you can watch the video in Stream and have captions displayed at the bottom of the screen.. When the captions have been created, the Generate button turns to Translate.Select Translate to change the spoken or screen language to automatically translate the captions.
Applies To:
Microsoft Teams
View hidden files and folders in Windows - Microsoft Support
Select the View tab and, in Advanced settings, select Show hidden files, folders, and drives and OK.
如何使用 Windows 11 中的任务栏 - Microsoft 支持
在任务栏上的搜索框中,键入你想固定到任务栏上的应用名称。 右键单击应用,然后选择“固定到任务栏”。如果要取消固定,请按照相同步骤操作,但选择“从任务栏取消固定”。
Insert ASCII or Unicode Latin-based symbols and characters
Inserting ASCII characters. To insert an ASCII character, press and hold down ALT while typing the character code. For example, to insert the degree (º) symbol, press and hold down ALT while typing 0176 on the numeric keypad.
Applies To:
Excel for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Publisher for Microsoft 365, Excel 2024, Outlook 2024, PowerPoint 2024, OneNote 2024, Excel 2021, Outlook 2021, PowerPoint 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2019, Outlook 2019, PowerPoint 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016